Seiko 5646 Movement Details
Seiko caliber 5646 is a high grade automatic watch movement produced from around 1970.
Sub-brands: | Grand Seiko |
Day / date? | Day + date |
GMT / world time? | No |
Chronograph? | No |
Hacking? | Yes |
Rate: | 28,800 bph |
Number of jewels: | 25 |
Lift angle: | 56º |
Development division: | Suwa (Nagano) |
Notes: | The same as cal. 5645 but with day display (as well as date). |
Related movements: | 5641 5645 |