Seiko 7A38 - by the numbers

Useful Seiko links:

Seiko Oceania database (Catalogue search)http://service.seiko.com.au/pls/seiko/f?p=104:20:232949005803945:Go:NO:RP::

Seiko 7A38 Case Parts Search on Boley.de: http://www.boley.de/en/case-parts/seiko?search=7A38

Jules Borel Case Parts Search (old website): http://cgi.julesborel.com/ (enter as 7Axx-xxxx)

  

Seiko Parts Catalogues and Technical Guides (.pdf format)

7A28A http://service.seiko.com.au/i/seiko/documents/technicalguides/7A28A.pdf

7A38A http://service.seiko.com.au/i/seiko/documents/technicalguides/7A38A.pdf

7A48A http://service.seiko.com.au/i/seiko/documents/technicalguides/7A48A.pdf

7A07A http://service.seiko.com.au/i/seiko/documents/technicalguides/7A07A.pdf

 

Seiko User Instruction Manuals

7A38 Seiko 7A38 User Instruction Manual (original scan courtesy of Roland Kamp / SCWF)

 

Recommended Reading:

7Axx Rate adjustment threads on other forums: 

1) On the old Network54 SCWF, started by 'Charles', with further contributions from Hung Pham 'Time2Fly' and Michael Rothe:

http://www.network54.com/Forum/78440/thread/1189933858/Seiko+7A38-7000+Trimmer+Adjustment

2) By David Johnson (a.k.a. DWJQuest) on WUS: http://forums.watchuseek.com/f9/rate-adjustment-seiko-7a38-chronograph-282347.html

3) By retired Seiko designer Ikuo Tokunaga on SCWF: http://www.thewatchsite.com/index.php/topic,277.msg408.html#msg408

 

OldeCrow's 7Axx crystal replacement tutorial: http://www.crescent-pc.com/watchfetish/7aX8/index.htm

Steve Gurevitz's excellent article on 7A28s: http://ninanet.net/watches/others13/Mediums/mseiko7a28.html

 

Worldwide supplier list:

Sources of Horological Tools & Parts: http://www.nawcc-index.net/ToolsParts.php (courtesy of NAWCC)

 

Watch Strap suppliers of note:

Henrik de Keiser: http://www.horlogebanden.com/

Stella / Tungchoy: http://www.strapcode.com/store/

UK Watch Strap (TMC Ltd.): http://www.ukwatchstrap.co.uk/about-us.html

WatchBandCenter: http://www.watch-band-center.com/shop-watchstrap.html

TSS Watchworx (Ken Danks): http://www.watchworx.co.uk/pages/lwb/elite.html

 

Sternkreuz catalogue download:  http://www.sternkreuz.de/accordion/assets/Sternkreuz_Gesamtkatalog%20G22.pdf

G-S Supplies catalogue download: http://www.gssupplies.getcatalog-online.php (Mineral Glass sizes on page 118).