Seiko 10 Movement Details
Seiko caliber 10 is a hand winding watch movement produced from around 1926.
|Day / date?||No|
|GMT / world time?||No|
|Number of jewels:||3, 7, 10 or 15|
|Size / diameter:||10.5"|
|Notes:||Has small seconds sub-dial. The 10A version was produced from 1946 with a 10B version appearing in 1948.|