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Seiko 1F20-0A70
The Seiko 1F20-0A70 watch movement operates at a beat rate of 18000 vibrations per hour (vph).
The Seiko 1F20-0A70 features the following functions:
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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