Seiko 7R78 Movement Details
Seiko caliber 7R78 is a spring drive (hand winding) watch movement produced from around 1999.
| Power reserve: | 48 hours |
| Accuracy: | ±15 seconds/month |
| Day / date? | Date only |
| GMT / world time? | No |
| Chronograph? | No |
| Hacking? | Yes |
| Number of jewels: | 30 |
| Related movements: | 7R68 7R88 |