Seiko 2639 Movement Details
Seiko caliber 2639 is an analog quartz watch movement.
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| Sub-brands: | Chariot |
| Battery: | SR927SW / 395 (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: | 25.4mm |
| Height: | 3.23mm |
| Development division: | Daini (Kameido, Tokyo, Japan) |
| PDF guides: | Technical guide : 2639A |
| Related movements: | 2632 2633 |
Part Codes
| Stem code: | 354260 (short), 354262, 372261 (movement side), 373250 (crown side) |
| Screw codes: | 012151, 012159, 012452 (case screw), 012768, 012781 |