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Seiko 1F21-1A60
The Seiko 1F21-1A60 watch movement features an adjustable stud holder, shock protection, automatic winding, sweep seconds hand, and operates at a beat rate of 21,600 vibrations per hour (vph).
The Seiko 1F21-1A60 features the following functions:
- Adjustable Stud Holder
- Automatic Winding
- Shock Protection
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.45 x 0.115 x 360 x 13.5 mm | Auto | Buy mainspring | |
| 1.45 x 0.115 x 360 x 10.5 mm | GR39981X | Auto | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Documents
Parts Listing
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