Elgin 1915 Master Catalog (also available as a free download- see bottom of screen)- includes nearly every original Elgin part number from before 1915. http://elginwatches.org/scans/tech_doc/1915_MC/m_index.html
Technical Guides and Manuals: http://www.cousinsuk.com/ A. Schild, Citizen, ETA, ISA, LeCoultre, Omega, Rolex, Seiko, many others. Just type in the caliber number you’re looking for in the search field, click “search” then on the next page, click the tab “document matches” underneath the search field. or click here to search by manufacturer (this is nowhere near as fast) http://www.cousinsuk.com/document/category/4.aspx
More technical manuals and guides: http://www.phfactor.net/wtf/ Included are Bulova, Universal, Rolex, Longines, Omega, Valjoux, among others.
Citizen Orient Seiko Technical Guides and Manuals: http://www.seikodigitalwatches.com/ http://forums.watchuseek.com/f365/seiko-calibers-technical-repair-manuals-299038.html http://www.watchuseek.com/seikocitizen/
ETA Swiss Lab: http://www.eta.ch/ click on the “x” , then click “skip”, then “welcome” then “training center” then “eta swiss lab”.
ETA Technical info- no need to login just click on “Technical Documents” at the top of the screen, then search for your movement caliber: https://secure.eta.ch/CSP/DesktopDefault.aspx?tabindex=2&tabid=28
Omega information (free registration required) http://62.73.172.167/cu_vintage/index.php?r=main.php
Ranfft’s Site- great for identifying movements, Search by caliber or you can also search by 3 letter code on balance bridge. Color pictures, dimensions, power reserve http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&0&2uswk
Lift Angles lift angles for many watches arranged by make and caliber: http://pczw.uhren-mikl.com/downloads/gamma.pdf
Patent info:
These sites are searchable by name of inventor or assignee (i.e. Waltham, Elgin, New Haven, etc.)
http://www.nawcc-info.org/PatentDB/PatentData.htm
http://www.google.com/patents
You must know the patent number (use above sites to obtain patent number) to use this site: http://patft1.uspto.gov/netahtml/PTO/srchnum.htm
Download this program to view pictures for above site (this is a free download): http://www.alternatiff.com/
Case Hallmarks: – age, where produced, maker, etc. http://www.925-1000.com/
Don’t forget the NAWCC Library!! Contact Nancy Dyer at ndyer@NAWCC.org
2 comments
Mary says:
September 16, 2011 at 4:58 am (UTC 0)
Very nice, i suggest Admin can set up a forum, so that we can talk and communicate.
Nancy
admin says:
September 19, 2011 at 2:00 am (UTC 0)
Hi Nancy,
Thanks for commenting. This site is under construction, but I would be more than happy to allow comments and suggestions.