Seiko 2320 Movement Details
Seiko caliber 2320 is an analog quartz watch movement. Production started around 1978.
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| Sub-brands: | Exceline, Belfina, Socie, Nina Ricci |
| 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: | 8 |
| Size / diameter: | 15.1mm x 13.0mm |
| Height: | 2.5mm |
| Development division: | Suwa (Nagano Prefecture) |
| Notes: | Used in ladies watches. |
| PDF guides: | Technical guide : 2320A |
| Related movements: | 2340 |
Part Codes
| Stem code: | 354810, 354811 |
| Screw codes: | 022110 (dial screw), 022424, 022740 |