Seiko 0903 Movement Details
Seiko calibre 0903 is an analogue quartz watch movement. Production started around 1975.
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| Sub-brands: | 4004, SQ |
| Battery: | SR43SW / 301 (Silver oxide) |
| Accuracy: | ±15 seconds/month |
| Day / date? | Day + date |
| GMT / world time? | No |
| Chronograph? | No |
| Rate: | 32,768 Hz |
| Number of jewels: | 0 or 2 |
| Size / diameter: | 27.0mm |
| Height: | 5.3mm |
| Development division: | Suwa (Nagano Prefecture, Japan) |
| PDF guides: | Technical guide : 0903A |
| Related movements: | 0920 0922 0923 |
Part Codes
| Stem code: | 354900 |
| Screw codes: | 022451 (case screw), 022493, 022494, 022766 |