Seiko 1M20 Movement Details
Seiko calibre 1M20 is a kinetic (formerly AGS) watch movement.
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Battery: | 3027.26Y / (Rechargeable capacitor) |
Accuracy: | ±15 seconds/month |
Day / date? | No |
GMT / world time? | No |
Chronograph? | No |
Number of jewels: | 8 |
Size / diameter: | 19.4mm |
Height: | 3.4mm |
Notes: | Used in ladies watches. |
PDF guides: | Technical guide : 1M20A |
Part Codes
Stem code: | 351555 |
Screw codes: | 022436, 022490 (screw for oscillating weight) |