Seiko 2P21 Movement Details
                
                Seiko calibre 2P21 is an analogue quartz watch movement. 
                Find watches with this movement on eBay.
                
                
                
              
| Sub-brands: | Creo | 
| Battery: | SR521SW / 379 (Silver oxide) | 
| Accuracy: | ±15 seconds/month | 
| Day / date? | No | 
| GMT / world time? | No | 
| Chronograph? | No | 
| Number of jewels: | 3 | 
| Size / diameter: | 15.0mm | 
| Height: | 2.2mm | 
| Development division: | Daini (Kameido, Tokyo, Japan) | 
| Notes: | Has a battery life indicator function. | 
| PDF guides: | Technical guide : 2P21A | 
| Related movements: | 2P20 2Y00 2Y01 | 
Part Codes
| Stem code: | 351236, 351238 | 
| Screw codes: | 012316, 022411 |