Seiko Y187 Movement Details
                
                Seiko calibre Y187 is an analogue quartz watch movement. Production was in the 1980s.
                Find watches with this movement on eBay.
                
                
                
              
| 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 |