Seiko 5P31 Movement Details
Seiko caliber 5P31 is an analog quartz watch movement.
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| Sub-brands: | Spirit, Cadet |
| Battery: | SR920SW / 371 (Silver oxide) |
| Accuracy: | ±15 seconds/month |
| Day / date? | No |
| GMT / world time? | No |
| Chronograph? | No |
| Rate: | 32,768 Hz |
| Number of jewels: | 3 |
| Size / diameter: | 23.3mm (21.0mm x 19.0mm) |
| Height: | 2.2mm |
| Development division: | Daini (Kameido, Tokyo, Japan) |
| Notes: | Has a battery life indicator function. The same as cal. 5P30 but with a seconds hand. |
| PDF guides: | Technical guide : 5P30A, 5P31A, 5P32A & 5P39A |
| Related movements: | 5P30 5P32 5P39 |
Part Codes
| Stem code: | 351105 (tap 10), 351546 (tap 13), 351670 (tap 11), 351671 |
| Screw codes: | 022247 |