Seiko 9921 Movement Details
Seiko caliber 9921 is an analog quartz watch movement produced in the 1980s.
| Sub-brands: | Chariot |
| Battery: | SR927SW / 395 (Silver oxide) |
| Accuracy: | ±20 seconds/year |
| Day / date? | No |
| GMT / world time? | No |
| Chronograph? | No |
| Hacking? | Yes |
| Number of jewels: | 5 |
| Development division: | Suwa (Nagano) |
| Notes: | Twin quartz for greater accuracy. The same as cal. 9923 but without day and date display. |
| Related movements: | 9923 |