Seiko 7439 Movement Details
Seiko caliber 7439 is an analog quartz watch movement. Production was in the 1980s.
| Battery: | SR721SW / 362 (Silver oxide) |
| Accuracy: | ±15 seconds/month |
| Day / date? | Date only |
| GMT / world time? | No |
| Chronograph? | No |
| Rate: | 32,768 Hz |
| Number of jewels: | 2 |
| Size / diameter: | 22.0mm |
| Height: | 2.3mm |
| Development division: | Daini (Kameido, Tokyo, Japan) |
| Notes: | The same as cal. 7430 but with date display. |
| PDF guides: |
Technical guide
: 7430A, 7431A & 7439A
Parts list : 7439A |
| Related movements: | 7430 7431 7433 |
Part Codes
| Stem code: | 354076 |
| Date wheel code: | 801110, 801283 |
| Screw codes: | 012170, 012196, 012197, 012354, 012469 (case screw), 012778 |
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