Seiko 1320 Movement Details
Seiko caliber 1320 is a high grade analog quartz watch movement. Production started around 1979.
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| Sub-brands: | Socie, Credor |
| Battery: | SR621SW / 364 (Silver oxide) |
| Accuracy: | ±15 seconds/month |
| Day / date? | No |
| GMT / world time? | No |
| Chronograph? | No |
| Hacking? | No |
| Rate: | 32,768 Hz |
| Number of jewels: | 6 |
| Size / diameter: | 17.1mm x 8.4mm |
| Height: | 2.8mm |
| Development division: | Daini (Kameido, Tokyo, Japan) |
| Notes: | Used in ladies watches. |
| PDF guides: | Technical guide : 1320A |
Part Codes
| Stem code: | 351130 (short), 351131 |
| Screw codes: | 012155 (dial screw), 012465, 012466 |