Reference Materials

As we research watches, movements, and horology we produce our own reference material. This is listed below.

Please note that this data is based on public sources. Although we try to be careful to be as accurate as possible, it is likely that there are some errors included. Please take this with a grain of salt. We welcome your contributions!

Also, please include a link to this web site, Grail-Watch.com, if you use this reference material in any other location.

General Reference Pages

• Grail Watch Reference Watch Movement Database
• Information on Primary Sources of Historic Watch Information
• Watch Battery Cross Reference

Watch Brand and Model Reference Pages

• Buren Calibre 82 Complete Reference
• Christiaan Van Der Klaauw Satellite du Monde Complete Reference
• Hajime Asaoka’s Chrono Tokyo and Kurono Tokyo Complete Reference
• Jaeger-LeCoultre Reverso Reference
• Junghans Mega 1 Complete Reference
• Nomos Model and Movement Reference
• Sinn Model Reference