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Seiko 1M20-0A40
Ligne: 10.5'''
The Seiko 1M20-0A40 watch movement features sweep seconds, a function that enables smooth and continuous motion of the seconds hand.
The Seiko 1M20-0A40 features the following functions:
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
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Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Parts Listing
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