Seiko 9923 movement
Seiko caliber 9923 is a high grade analog quartz watch movement produced from around 1979.
| Sub-brands: | King Quartz |
| Battery: | SR927SW / 395 (Silver oxide) |
| Accuracy: | ±20 seconds/year |
| GMT/world time? | No |
| Chronograph? | No |
| Rate: | 32,768 Hz |
| Number of jewels: | 5 |
| Development division: | Suwa (Nagano) |
| Notes: | Twin quartz |