Seiko M154 Movement Details
                
                Seiko caliber M154 is a digital watch movement. Production was in the 1970s.
                Find watches with this movement on eBay.
                
                
                
              
| Battery: | SR1130W / 389 (Silver oxide) | 
| Accuracy: | ±10 seconds/month | 
| GMT / world time? | No | 
| Chronograph? | No | 
| Rate: | 32,768 Hz | 
| Size / diameter: | 27.0mm | 
| Height: | 6.1mm | 
| Related movements: | M158 M159 |