Watch age determination by manufacturer

Lange & Söhne Glashütte Age determination o...

Source: Konrad Knirim Military Time Pieces

Rolex / Bracelet age determination by clasp cod...

Rolex / Bracelet age determination by clasp codes 1976 - 2007

Wempe Chronometerwerke Hamburg Age determinatio...

Age determination of Wempe Chronometerwerke Hamburg Marine Chronometer based on movement numbers

Ulysse Nardin Marine Chronometer Age Determinat...

Age determination of Ulysse Nardin Marine Chronometer based on sold pieces / invoicing

Helvetia age determination by caliber/movement ...

Helvetia age determination by caliber/movement with approximate years and photos

Illinois Watch age determination by serial number