Seiko W851 Movement Details
Seiko caliber W851 is a digital watch movement.
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| Battery: | CR2025 / (Lithium) |
| Accuracy: | ±20 seconds/month |
| GMT / world time? | Yes |
| Chronograph? | Yes |
| Rate: | 32,768 Hz |
| Size / diameter: | 29.0mm |
| Height: | 6mm |
| Notes: | Has an alarm. |
| PDF guides: | Technical guide : W850A, W851A, W853A & W854A |
| Related movements: | W850 W853 W854 |