Seiko 1E20 Movement Details
Seiko calibre 1E20 is an analogue quartz watch movement.
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Sub-brands: | Tissé |
Battery: | SR512SW / 335 (Silver oxide) |
Accuracy: | ±15 seconds/month |
Day / date? | No |
GMT / world time? | No |
Chronograph? | No |
Number of jewels: | 5 |
Size / diameter: | 8.5mm |
Height: | 2.7mm |
Development division: | Suwa (Nagano Prefecture, Japan) |
Notes: | Used in ladies watches. |
PDF guides: |
Technical guide
: 1E20A & 1E50A
Parts list : 1E20A |
Related movements: | 1E50 1E70 |
Part Codes
Stem code: | 354930 (tap 13) |
Screw codes: | 022342, 022343 |