Girard-Perregaux Gyromatic 39 Jewels from 1959
Imagine for a moment that you are a marketing executive working for a long-established Swiss watch company in the late …
Imagine for a moment that you are a marketing executive working for a long-established Swiss watch company in the late …
The hierarchy of early 1960’s Seikomatic movements follows a path from the base 17 jewel calendarless 603 (the 20 jewel …