Seiko Y187 Movement Details
Seiko caliber Y187 is an analog quartz watch movement. Production was in the 1980s.
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| Battery: | SR927SW / 395 (Silver oxide) |
| Accuracy: | ±20 seconds/month |
| Day / date? | Date only |
| GMT / world time? | No |
| Chronograph? | Yes |
| Hacking? | Yes |
| Rate: | 32,768 Hz |
| Notes: | Has a low battery warning function, indicated by the second hand moving at two-second intervals. |
| PDF guides: | Battery replacement guide |
| Related movements: | Y182 |