Seiko 5J21 Movement Details
Seiko calibre 5J21 is a kinetic (formerly AGS) watch movement.
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| Sub-brands: | Brightz, Dolce |
| Battery: | 3023.24X / (Rechargeable capacitor) |
| Accuracy: | ±15 seconds/month |
| Day / date? | No |
| GMT / world time? | No |
| Chronograph? | No |
| Hacking? | Yes |
| Rate: | 32,768 Hz |
| Number of jewels: | 13 |
| Notes: | Has the Auto Relay "hibernate and wake up" feature. The same as cal. 5J22 but without the date display. |
| PDF guides: | |
| Related movements: | 5J22 5J32 |