Seiko 3Y03 Movement Details
                
                Seiko calibre 3Y03 is an analogue quartz watch movement. 
                Find watches with this movement on eBay.
                
                
                
              
| Sub-brands: | SQ | 
| Battery: | SR621SW / 364 (Silver oxide) | 
| Accuracy: | ±20 seconds/month | 
| Day / date? | Day + date | 
| GMT / world time? | No | 
| Chronograph? | No | 
| Number of jewels: | 1 | 
| Size / diameter: | 17.1mm | 
| Height: | 2.8mm | 
| Development division: | Daini (Kameido, Tokyo, Japan) | 
| Notes: | Used in ladies watches. The same as cal. 3Y02 but with a day display (as well as date). | 
| PDF guides: | Technical guide : 3Y02A, 3Y03A & 3Y09A | 
| Related movements: | 3Y02 3Y09 | 
Part Codes
| Stem code: | 351546 (tap 13) | 
| Date wheel code: | 801752 (black on white) | 
| Screw codes: | 012766, 022411 |