Seiko 5Y23 Movement Details
Seiko calibre 5Y23 is an analogue quartz watch movement.
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| Sub-brands: | SQ |
| Battery: | SR920SW / 371 (Silver oxide) |
| Accuracy: | ±20 seconds/month |
| Day / date? | Day + date |
| GMT / world time? | No |
| Chronograph? | No |
| Hacking? | Yes |
| Rate: | 32,768 Hz |
| Number of jewels: | 1 |
| Size / diameter: | 23.3mm (19.0mm x 21.0mm) |
| Height: | 2.7mm |
| Development division: | Daini (Kameido, Tokyo, Japan) |
| Notes: | The same as cal. 5Y22 but with day display (as well as date). |
| PDF guides: | Technical guide : 5Y22A, 5Y23A, 5Y30A, 5Y31A, 5Y32A & 5Y39A |
| Related movements: | 5Y22 5Y30 5Y31 5Y32 5Y39 |
Part Codes
| Stem code: | 351546 (tap 13), 351670 (tap 11) |
| Date wheel code: | 801722 (black on white) |
| Screw codes: | 022247 |