Seiko 7A38 - by the numbers



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Forum Home > eBay, LeBonCoin, Mercado Libre, Yahoo Japan, etc. > The 7A28-7120 RAF Gen 1 PriceWatch thread

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This 7A28-7120 RAF Gen. 1 was listed yesterday afternoon, by a UK eBay seller, with a possibly over-optimistic Buy-it-Now price of £1000, or the option to make an offer. To be honest, I've never really bothered to figure out why some of these sell relatively quickly (especially given their asking prices), whereas others get re-listed for months on end. I guess the low issue number (0055 / 84) and better than average condition must have been the attraction in this case.

Seiko 1st Gen Pilots Watch Dated 1984 7A28-7120 RAF EARLY SERIAL NUMBER.

Early serial number 55 in mint condition, message me for a deal.

By the time I got around to writing it up, belatedly, it had already sold this lunchtime.'s Look-up tool reveals it sold for a best offer of £950.

June 3, 2019 at 9:06 AM Flag Quote & Reply

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Another 7A28-7120 RAF Gen. 1 Head only was listed yesterday evening as a 7-day auction, with an opening bid price of £950.

Seiko RAF Gen 1 Issued Aircrew Watch 7a28-7120. Condition is Used. Dispatched with Royal Mail Special Delivery.

Seiko Gen 1 watch in excellent working order following top quality service by The Watch Bloke. See photos for details of the strip down, service and reassembly.

Watch is in good overall condition with some small marks around the case probably from use in service.

Having had such a high quality service I would fully expect this watch to give trouble free service for many years.

June 3, 2019 at 9:14 AM Flag Quote & Reply

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And they just keep on coming .... Or should I more correctly say: Some just keep turning up over and again (occasionally even on the other side of the World).

Another 7A28-7120 RAF Gen. 1 was listed in the early hours of this morning, by an Australian eBay seller, as a 7-day auction, with an opening bid price of $0.99 Au, and no reserve. Readers will no doubt have noticed that this particular example has suffered the ignominy of having its MOD case-back stampings obliterated. Not the first time I've seen this, nor the first time this same 7A28-7120 s/n 816450 has featured in this thread before. It even had it own aptly titled thread at one point:

Seiko Gen1 7A28 - No markings?

Vintage Seiko First Gen 7A28-7120 RAF/RN military issued chronograph Watch N/R

Seiko Gen 1 7A28-7120 RAF/RN military issued chronograph Watch. The black dial with luminous batons and matching hands, three sub dials is signed Seiko P. The quartz movement is working well, starts stops and resets as it should. The steel 37mm screw back case is signed on the back, military markings have been removed by previous owner, you can see inside the back that they were there. Dont miss this one. NO RESERVE

The seller has also embedded all the eBay hosted images in their description. I'll just upload the two pertinent photos.

To save readers scrolling back through the thread, here follows a double quote of a couple of instances where the same watch, s/n 816450 was previously listed by UK eBay sellers in 2017 and 2018 ....

June 4, 2019 at 9:16 AM Flag Quote & Reply

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Seiko7A38 at February 15, 2018 at 3:33 PM

Seiko7A38 at December 14, 2017 at 11:52 AM

There was another 7A28-7120 RAF Gen. 1 listed on eBay this morning by another UK seller. This one has a Buy-it-Now price of £995 (or best offer).

At the risk of repeating myself (hence the partial quote from the previous page) ....

'Another' grossly over-priced 7A28-7120 RAF Gen. 1 was listed this afternoon by a UK eBay seller, with a 'pie-in-the-sky' Buy-it-Now price of  £995 (or the option to make an offer). The first thing that caught my attention was the seller's slightly unusual user ID: queeng1st. If you run a search on the forum on it, you'll soon realize this is yet another instance of Déjà Vu. This watch was previously listed just before Christmas and theoretically sold against a best offer for £700 the following day. But there's rather more to it than that. This one also appears to be a definate case of Caveat Emptor

This is actually a re-listing of the previous, but with a different primary image. Whether it's a new photo of the same watch, taken by the seller, or one 'borrowed' from elsewhere is anybody's guess.

The description is exactly the same as the previous listing:


Early 1980s Seiko Generation One Military Issue (RAF) Quartz Chronographic Wrist Watch

The 7A28-7120, called the Gen 1. The Gen 1’s case is simpler than all commercially available 7A28 models. Matte, blasted finish, integrated unmarked bezel. Military guidelines, stamped “Circle P” on the dial, indicating the use of Promethium a Radioactive element. Collectable military wrist watch from the Falklands era.

Working condition.

No returns accepted, please carefully read description and look at photos.

Just to make sure this was the same watch, I clicked on the photo of the case-back (something I hadn't done with the previous listing while it was briefly live). Both the previous and this re-listing use the same photo:

Had I looked at it before, I certainly would have commented on it. Note there is no mention in the seller's description that the military markings have been obliterated. But does that Seiko case-back serial number 816450 ring any bells with anyone else ? Try running a search on the forum on 816450 and you'll see why.  ;)

Apart from having featured in this thread before, when it previously sold back in November last year after a speight of shenanigans (see page 31 for more details), this 7A28-7120 RAF Gen. 1 also has it's own aptly titled separate thread.

I'll have a look later, to see if I can find the last actual eBay sales result. ;)

June 4, 2019 at 9:49 AM Flag Quote & Reply

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Seiko7A38 at May 22, 2019 at 9:42 AM

This 7A28-7120 RAF Gen. 1 just came up in a saved search notification from LiveAuctioneers, who inform me that: Search alerts are now smarter than ever. :roll:

It's Lot # 8742 of an auction being held by Great Estates Auctioneers & Appraisers of Port Jervis, NY, USA on Saturday, June 8th, starting @ 10:00 PM BST. Here's one who won't be staying up to watch it. :P The opening bid price is $500, with an estimate of $1000 - $1500, to which you'll need to add 23% Buyer's Premium, plus shipping costs - and if considering importing into the UK, another 20% VAT and Customs clearance charges on top. So it's unlikely to be anybody's bargain.


Or maybe, as it turned out, perhaps it was ? There doesn't seem to have been much interest in that 7A28-7120 RAF Gen. 1 offered by

The online auction ended last night with bidding @ $600 after only 4 bids.

June 9, 2019 at 1:13 AM Flag Quote & Reply

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Seiko7A38 at April 29, 2019 at 4:44 AM

Another 7A28-7120 RAF Gen. 1 Head Only was listed earlier this morning by a Canadian eBay seller, with a laughable 'pie-in-the-sky' Buy-it-Now price of $2300 Cdn (equivalent to $1707 US), or the option to make a much lower, more sensible offer. I'm not sure what's actually 'AMAZING' about this average condition example, other than the seller's asking price. Similarly over-priced offerings by this Canadian seller gnomon.graph (also using his previous eBay ID mahc1234) have featured earlier in this thread. Generally they take a while to sell. :roll:

Just checking my eBay watching page and to my utter disbelief, it appears that the above quoted 7A28-7120 RAF Gen. 1 'Head Only' listed by Canadian eBay seller gnomon.graph sold this morning for the full $2300 CAD Buy-it-Now price !

As would appear to be confirmed by this search result:

June 9, 2019 at 8:06 AM Flag Quote & Reply

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Seiko7A38 at June 3, 2019 at 9:14 AM

Another 7A28-7120 RAF Gen. 1 Head only was listed yesterday evening as a 7-day auction, with an opening bid price of £950.

No bids were forthcoming in that first 7-day auction listing. The UK eBay seller subsequently re-listed it as aniother 7-day auction, with the same opening bid price of £950, but adding the option to make an offer. It sold yesterday morning for an offer of less than the opening bid price.

This search result reveals that the offer accepted was for £850.

June 11, 2019 at 4:40 AM Flag Quote & Reply

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The 7-day Australian eBay auction for that 7A28-7120 RAF Gen. 1 Head Only, with obliterated MOD case-back markings (Seiko serial # 816450), which has featured in this thread a number of times before, ended in the early hours of this morning, selling for $1105 Au., after 51 bids. That's equivalent to approx. $770 USD / £606.70 GBP.

June 11, 2019 at 5:03 AM Flag Quote & Reply

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Seiko7A38 at May 26, 2019 at 9:38 AM

Earlier this morning, UK eBay seller grebert09 once again re-listed his less than stellar 7A28-7120 RAF Gen. 1, this time with the Buy-it-Now price reduced to £695.

It sold a couple of hours later:

I'm obviously spending too much time looking at 7A28-7120 RAF Gen. 1's, when I start remembering photos. :/

Yesterday evening a UK eBay seller listed a familiar-looking 7A28-7120 RAF Gen. 1, (recognizable from its manky hands lume) as a 7-day auction with an opening bid price of £750. This is most definitely a case of Déjà Vu. The re-seller wingra20 has not only been lazy / stupid enough to re-use the previous seller's photos, in the same order, but he's also copied his description verbatim. :roll:

Vintage 1990 Seiko 7A28 7120 Gen 1 RAF Military Fast Jet Pilots Chronograph Watch,

Issue number 9868 making it one of the very last Gen 1's to be issued to the military,

Fully Working and Keeps Perfect Time,

All buttons function smoothly and all the hands reset to zero,

New battery Fitted,

Comes on a New Zuludiver strap,

Very good condition with some signs of wear as to be expected of a military watch,

please see all pics

UK Postage Only.

(Will be Posted Royal Mail Special Delivery fully insured)

If one needed any more proof, the eBay Purchase History from the previous sale, two weeks ago, comfirms that the current re-seller was the buyer.

June 11, 2019 at 5:19 AM Flag Quote & Reply

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Earlier yesterday evening, another UK eBay seller had listed yet another 7A28-7120 RAF Gen. 1, with a 'pie-in-the sky' Buy-it-Now price of £1500 (or the option to make a lower more sensible offer). Granted it may be a tidier example than most, but .... Seriously £1500 ??

Seiko 7A28 Pilots Watch 7700 of 11.307 Condition is Used in excellent condition Dispatched with Royal Mail special delivery



This is 7700 of 11307 making it a pre 1988 issue




Comes with original strap; comes without the box, instructions

It has sat in a drawer for many years but after putting a new battery in has kept time perfectly for the last few weeks.

All features work and the glass is in excellent condition lume is bright

Maker: Seiko

Year: pre 1988

Model: Gen.1 British Military RAF Helicopter/Jet Pilot’s Chronograph with Broadarrow and Correct Military Issue Numbers 6645-99 7683056 From First Gulf War

Movement: Seiko Automatic Cal. 7A28 Movement 15 Jewels

Case: Seiko Stainless Steel Case Ref. 7A28-7120 with British Military Issue Markings 6645-99/7683056/7700/88 and fixed military bars

Dial: Military Dial Signed Seiko P

Ref: pre 1988 Gen. 1 Seiko British Military Chronograph


Seiko has been supplying military-grade watches to the UK’s Ministry of Defence (MoD) for more than three decades, and this relationship started with the 7A28 movement. In the mid 1980s, the watchmaker released its Seiko 7A28-7120 variant with reference number SPR047 and NATO Stock Number (NSN) 6645-99-768-3056 to be used by the ministry’s Royal Air Force (RAF). Gen. 1 RAF-issued Seiko watches were on the wrists of British Air Force pilots and navigators from October 1984 until November 1990. The 7A28 movement was replaced by the Seiko 7T27 caliber in 1993.[11]

The seller has evidently copied the bulk of his description from a previous listing (or the same source) - indeed he has - including the same mistake. :roll:

June 11, 2019 at 6:03 AM Flag Quote & Reply

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Seiko7A38 at June 2, 2019 at 3:29 AM

The 7-day UK eBay auction for a 7A28-7120 RAF Gen. 1 Head Only (the one with the slightly unconventional shades of 'Limited Edition' listing title) ended not long after midnight last night, selling for £808 after 11 bids.

Presumably that sale at the beginning of the month must have fallen through, because the UK eBay seller richardmc2105, re-listed it late on Wednesday evening, with a fresh set of photos, again as a 7-day auction with an opening bid price of £500, but this time with a Buy-it-Now option for £800.

Quickly scan reading it, the description looked pretty much the same as before, including the 'Automatic' blooper in the formatted part. :roll: No explanation of why it was being re-listed. It sold again yesterday lunctime for the £800 Buy-it-Now price.

June 14, 2019 at 4:30 AM Flag Quote & Reply

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Late yesterday evening, UK eBay seller forpik listed another 7A28-7120 RAF Gen. 1 Head Only. Contrary to his customary practice of listing them with implausibly high 'pie-in-the-sky' Buy-it-Now prices, on this occasion, he's listed this one as a 10-day auction, with an opening bid price of £0.99. You'll see why presently ....

His lurid green formatted description, complete with all the usual foreign sounding spelling mistakes, includes a tell-tale disclosure at the bottom.

In case you haven't already recognized it from the rust staining / water damage to the dial, around 1 o'clock, this same 7A28-7120 RAF Gen 1 has already featured twice in this thread before, on page 43, when it was listed and re-listed, in the last week of March and first week of April, by UK eBay seller watchmagic ....

June 14, 2019 at 6:48 AM Flag Quote & Reply

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Seiko7A38 at March 31, 2019 at 11:54 AM

The 7-day UK eBay auction for a 7A28-7120 RAF Gen. 1, which had suffered some water damage, ended this morning, selling for £752 after 44 bids. Just as I predicted - nobody's bargain. :roll: The mind truly boggles sometimes, at the price some folks appear to be prepared to pay for these things, regardless of the condition.

That first sale fell through due to:


.... was subsequently re-listed and sold for a still fairly mind-boggling £676.56.

The winning bidder of the re-listed auction, as it transpires, being forpik ....

June 14, 2019 at 6:49 AM Flag Quote & Reply

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Apart from my usual sarcastic tone, sometimes when I post sales results in this thread, I do so with sheer incredulity at the ridiculous prices some punters appear to be prepared to pay. Justifiably in some cases. I'll refrain from doing a 'double quote', because readers can easily scroll back up the page to see my previous posts on the subject of this particular 7A28-7120 RAF Gen. 1 Head Only.

Canadian eBay seller gnomon.graph (previously a.k.a. mahc1234) first listed this example in allegedly 'AMAZING CONDITION' on 29th April and to my disbelief, it supposedly sold on 9th June for his ludicrous 'pie-in-the-sky' Buy-it-Now price of $2300 CAD. Well it's back on eBay again, re-listed late yesterday evening, with the price now increased to $2500 CAD - for anybody stupid enough.

June 16, 2019 at 4:14 AM Flag Quote & Reply

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Yet another speculatively over-priced 7A28-7120 RAF Gen. 1 was listed in the early hours of this morning, by another of those highly suspect Japanese eBay 'proxy' sellers - japanmegamall, with an absolutely ridiculous 'pie-in-the-sky' Buy-it-Now price of $1941.52 and no option to make an offer.

Their description (if you can call it that), is an absolute joke. :roll:

June 20, 2019 at 11:24 AM Flag Quote & Reply

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Another 7A28-7120 RAF Gen. 1 was listed late last night by a UK eBay seller, with a Buy-it-Now price of £950 and currently no option to make an offer.

1988 British Military Issue Pilot Chronograph Watch Gen 1 Seiko 7A28-7120. NATO Stock Number (NSN): 6645-99-7683056. Issued to British military fast jet and helicopter pilots in the 1980s. Made in Japan by Seiko to British Military specifications. Non-reflective brushed stainless steel water resistant case and matt black dial with white and luminous hands and markers. In overall excellent fully serviceable condition keeping accurate time with all functions operating correctly. The vintage chronograph movement has just been fully checked and serviced by Seiko UK in May 2019 at a cost of £171.00 - service paperwork included with the watch. Comes complete with original 1980s issue Admiralty Grey Nylon NATO strap in excellent, nearly new condition. The Seiko 7A28 was the first analog quartz movement ever produced: an extremely accurate 15 jewel movement made from precision engineered metal components and gears. Chronograph functions include luminous stopwatch second hand, 1/10 second indicator, split timings function and rolling 30 minute stopwatch indicator. Hacking time function with luminous hour and minute hands and seconds indicator. Low battery life indicator. The beautifully engineered movement is built to last and can be fully stripped down for cleaning and repair. Seiko UK Service Centre still provides service and repair for the 7A28, as do many independent watch repair specialists. The Promethium 147 luminous hands and markers are still usable for night reading. The stainless steel case has a none reflective brushed finish and fixed strap bars. This is a completely original example with the original mineral crystal showing marks from service use as pictured. The dial and hands are immaculate with no fading or discolouration. The screw down case back is marked with the NATO Stock Number, year, serial number and MOD broad arrow. Fitted with a new battery. This is an excellent and completely original example fully serviced by Seiko UK and ready to wear. Please see the detailed photographs regarding features and condition.

Will post worldwide. Will be sent tracked and insured. Will combine postage. Please await invoice if purchasing more than one item.

Please look at my other Army and Special Forces items.

June 22, 2019 at 12:29 AM Flag Quote & Reply

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I'm relieved that most eBay sellers appear to have ceased using the word 'Rare' in their listing titles and descriptions for 7A28-7120 RAF Gen. 1's. As I've written a good many times before, I personally have zero interest in them (other than for the purposes of keeping this thread updated) and I've currently got 10 of the damned things cluttering up my eBay watching page. :roll: Hopefully I can delete a couple of them soon to make room for other stuff.

Yesterday evening, regular UK eBay seller skytwang listed yet another average worn condition example, with a Buy-it-Now price of £795 (and currently no option to make an offer).

This listing is for a 1990 Seiko 7A28-7120 Gen 1 MoD issued aircrew chronograph.

Condition and operation

The case is clean and in good condition with general minor marks from use. The case back has the correct stamped issue marks including NATO stock number, country code, item number, issue number and date ('90'). The crystal looks very good, as do the face and hands. The watch is running perfectly. Chrono functions all reset to zero and can be manually re-set if required (pull the crown out to the first stop and press the relevant button to reset the corresponding function, then push the crown back in).

The watch is fitted with a new green 20mm non-original NATO style strap

The service history is unknown but I have had the watch almost a year, and purchased it from Field Textiles, the official MoD disposal outlet for Personal Kit and therefore assume that is came straight from MoD prior to that.

No work has been done to the watch in my ownership beyond fitting a new battery, and on sale I will fit a brand new Renata battery which will give a good 2 years service.

I have worn this watch on a regular basis and it has always performed flawlessly and has been a pleasure to use.


I would recommend that the buyer download a copy of the 7A28 instruction manual from one of the several websites where this is available.

Please carefully check the photographs before buying to assess condition. The photographs form part of the description.

Note that this is a vintage watch and although the seals are in place, waterproofing/water resistance has not been tested and cannot be guaranteed. This watch is considered suitable for normal day-to-day use, but as a precautionary measure I would not recommend it for use in sports activities, swimming etc.

This is a private sale and no warranties or guarantees are made beyond the described condition and the normal eBay terms and conditions.

If you have any questions, please just ask!

Shipping and packing

UK postage is by fully insured Royal Mail Special Delivery, guaranteed delivery by 1.00pm next working day, hence the cost.

Shipping to North America, Oceania and Europe by Global Shipping Programme (GSP).

This means that you pay me the quoted UK domestic shipping cost and you pay eBay the international shipping plus any customs fees and duty. I send the item to the UK GSP Depot by the quoted 'express shipping' and from there GSP is responsible for the international shipping and delivery to the buyer. Tracking information is provided by eBay and you can also check tracking data by looking at the item in your 'Purchase history'. Please note that I have no control over the GSP international shipping costs, only the UK domestic shipping.

Buyers from North America and Oceania please be aware that due to GSP restrictions you may find that you are unable to complete the purchase. If this applies please contact me to request shipping cost and I will quote shipping. If you wish to go ahead I will amend the listing to enable you to make the purchase. Be aware also that shipping is expensive due to the insurance, and I will only ship fully insured. Buyer pays any imports duties and customs fees.

Thanks very much for looking!

June 23, 2019 at 4:49 AM Flag Quote & Reply

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UK eBay seller forpik's 10-day auction listing for that refurbished 7A28-7120 RAF Gen, 1 Head Only, with the water-damaged dial, ended yesterday evening, selling for a low-ish £589 afer 25 bids - unfortunately, making him a loss on the £676.56 he'd paid for it in April.

June 24, 2019 at 2:50 AM Flag Quote & Reply

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Checking my eBay watching page, I noticed that the most recent 7A28-7120 RAF Gen. 1, listed by regular UK eBay seller skytwang, had sold a couple of days ago for his £795 Buy-it-Now price.

June 27, 2019 at 11:51 PM Flag Quote & Reply

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This 7A28-7120 RAF Gen. 1, unusually fitted with a leather strap, instead of the de riguer grubby NATO, was listed yesterday evening by a UK eBay seller, as a 7-day auction, with an opening bid price of £700, or the option to make an offer.

This auction is for my Seiko Gen 1 RAF wristwatch. Possibly one of the best examples around,with a very low serial number. Outstanding condition for age and all working as it should. It was serviced around 18 months ago and keeps excellent time. This watch often gets noticed and is a good talking point as it is so very rare. Only ONE owner! It has a patina that reflects its age but it has been very well looked after. It is fitted with a Hirsh leather strap as I prefer this to the nylon nato strap. It has the solid spring bars just in case you’re wondering. This watch is sold as seen, I have tried to be as honest as possible with its description. Please ask any questions you may have before bidding.

July 7, 2019 at 11:44 AM Flag Quote & Reply

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