Seiko 7430 Movement Details
                
                Seiko calibre 7430 is an analogue quartz watch movement. Production was in the 1980s.
                Find watches with this movement on eBay.
                
                
                
              
| Battery: | SR721SW / 362 (Silver oxide) | 
| Accuracy: | ±15 seconds/month | 
| Day / date? | No | 
| GMT / world time? | No | 
| Chronograph? | No | 
| Rate: | 32,768 Hz | 
| Number of jewels: | 2 | 
| Size / diameter: | 22.0mm | 
| Height: | 2.1mm | 
| Development division: | Daini (Kameido, Tokyo, Japan) | 
| Notes: | The same as cal. 7431 but without a seconds hand (hour and minute hands only). | 
| PDF guides: | Technical guide
                              
                                 : 7430A, 7431A & 7439A Parts list : 7430A | 
| Related movements: | 7431 7433 7439 | 
Part Codes
| Stem code: | 354077 (short), 354079 | 
| Screw codes: | 012170, 012469 (case screw), 012766, 012778 |