Seiko 5621 Movement Details
Seiko calibre 5621 is a high grade automatic watch movement. Production was in the 1970s.
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| Sub-brands: | King Seiko |
| Day / date? | No |
| GMT / world time? | No |
| Chronograph? | No |
| Hacking? | Yes |
| Rate: | 28,800 bph |
| Number of jewels: | 25 |
| Lift angle: | 56º |
| Development division: | Suwa (Nagano Prefecture, Japan) |
| Related movements: | 5625 5626 |