Seiko 5C21 Movement Details
Seiko calibre 5C21 is an analogue quartz watch movement. Production was in the 1980s.
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| Battery: | SR721W / 361 (Silver oxide) |
| Accuracy: | ±15 seconds/month |
| Day / date? | No |
| GMT / world time? | No |
| Chronograph? | No |
| Alarm? | Yes |
| Hacking? | Yes |
| Rate: | 32,768 Hz |
| Development division: | Suwa (Nagano Prefecture, Japan) |
| Notes: | The same as cal. 5C20 but with a seconds hand. |
| Related movements: | 5C20 5C22 5C23 |
Part Codes
| Stem code: | 354800, 354856 |