Seiko 5646 Movement Details
Seiko caliber 5646 is a high grade automatic watch movement produced from around 1970.
|Day / date?||Day + date|
|GMT / world time?||No|
|Number of jewels:||25|
|Development division:||Suwa (Nagano)|
|Notes:||The same as cal. 5645 but with day display (as well as date).|
|Related movements:||5641 5645|