Seiko 7918 Movement Details
Seiko caliber 7918 is an analog quartz watch movement. Production was in the 1980s.
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| Battery: | SR41SW / 384 (Silver oxide) |
| Accuracy: | ±15 seconds/month |
| Day / date? | No |
| GMT / world time? | No |
| Chronograph? | No |
| Rate: | 32,768 Hz |
| Number of jewels: | 7 |
| Size / diameter: | 18.0mm |
| Height: | 3.6mm |
| Stem code: | 354791 |
| Screw codes: | 022282, 022423, 022424, 022465, 022468, 022764 (dial screw) |
| Development division: | Suwa (Nagano) |
| Notes: | Used in ladies watches for the visually impaired, featuring a flip up cover. |
| PDF guides: |
Technical guide
: 7518A & 7918A
Parts list : 7918A |
| Related movements: | 7518 7903 |