The Watchtech's Helpful Horological Links

Professional, Trade & Collectors Organizations

British Horological Institute - BHI
U.K. based trade association dedicated to the advancement of horology. Offers training, certification, technical services, etc.

National Association of Watch and Clock Collectors
Great U.S. organization dedicated to collecting and study of watches and clocks. I strongly recommend joining the NAWCC if you are seriously interested in vintage watches and clocks!!!

Online Discussion Forums

Timezone.com
One of The WatchTech's favorite online watch resources, especially the Vintage Forum and the Watchmaking & Repair Forum. Walt Odets' articles in The Horologium are some of the most informative and well-illustrated horological pieces I have ever seen.

Seiko & Citizen Watch Forum
Just like it sounds - an outstanding online community all about the Seiko & Citizen brands.

Watch Company Histories & Information

The Elgin Watch Collectors Site
A great resource for anyone interested in the history and technology of the Elgin Watch Company.

Gruen: The Art & Mystery of Watchmaking, 1874-1958
The first and most comprehensive site dedicated to the history of the Gruen Watch Company.

GruenWristWatches.com
A regularly updated site with an amazing amount of Gruen reference material, including tips on identifying and dating your watch.

Universal Geneve Polerouter
An excellent resource for Universal Geneve and their many Polerouter models.

Watchmaking in America: A Brief History
This one has even more history and information pertaining to American and more well known Swiss companies, including tips for dating watch production years.

pocketwatchdatabase.com
A searchable online database with movement data for 8 of the biggest American watch companies.

Ranfft Watch Movement Archive
Trying to identify a Swiss movement? Check out Archive: Watch Movements on this site.

Old Omegas
Lots of information about Omega chronographs, including service guides, owners manusla, etc.

Vintage Watch Parts Sources

Dave's Watch Parts and Tools
Added Dashto Horological's stock to his own, making this one of the best sources for vintage watch parts in the U.S.