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 …
Tag Archives: 39 jewels
DIASHOCK39JEWELS: a Seikomatic 395 Self-Dater from 1963
The hierarchy of early 1960’s Seikomatic movements follows a path from the base 17 jewel calendarless 603 (the 20 jewel …
Adventures in Amateur Watch Fettling 