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Seiko 1F20-0H40
Lift Angle: 44°
The Seiko 1F20-0H40 watch movement incorporates the function of sub seconds, allowing for the display of seconds in a sub-dial separate from the main dial.
The Seiko 1F20-0H40 features the following functions:
- Sub Second
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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Documents
Parts Listing
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