Seiko 7A48 Movement Details
Seiko caliber 7A48 is an analog quartz watch movement. Production started around 1983.
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| Battery: | SR936SW / 394 (Silver oxide) |
| Accuracy: | ±15 seconds/month |
| Day / date? | Date only |
| GMT / world time? | No |
| Chronograph? | Yes |
| Alarm? | No |
| Hacking? | Yes |
| Rate: | 32,768 Hz |
| Number of jewels: | 15 |
| Size / diameter: | 29.0mm |
| Height: | 4.4mm |
| Development division: | Suwa (Nagano Prefecture, Japan) |
| Notes: | Has a moon phase function and a battery life indicator function. Used in a Ferrari-branded watch, renamed as "cal. 532". |
| PDF guides: | Technical guide : 7A48A |
| Related movements: | 7A28 7A34 7A36 7A38 7A54 |
Part Codes
| Stem code: | 354726 |
| Screw codes: | 022234, 022235 (dial screw), 022286, 022341, 022424 |