Seiko 5B21 Movement Details
Seiko caliber 5B21 is an analog quartz radio-controlled watch movement.
Find watches with this movement on eBay.
Sub-brands: | Brightz |
Battery: | SR927SW / 395 (Silver oxide) |
Accuracy: | ±15 seconds/month |
Day / date? | No |
GMT / world time? | No |
Chronograph? | No |
Rate: | 32,768 Hz |
Number of jewels: | 10 |
PDF guides: |