Seiko 9923 Movement Details
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 |
| Day / date? | Day + date |
| GMT / world time? | No |
| Chronograph? | No |
| Hacking? | Yes |
| Rate: | 32,768 Hz |
| Number of jewels: | 5 |
| Size / diameter: | 25.6mm |
| Height: | 3.7mm |
| Stem code: | 354781 |
| Development division: | Suwa (Nagano) |
| Notes: | Twin quartz for greater accuracy. The same as cal. 9921 but with day and date display. |
| PDF guides: | Technical guide for 9923A |
| Related movements: | 9921 |