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Seiko 2501A
Ligne: 11.5'''
Jewels: 21
Power Reserve: 40 hrs
Frequency: 21600 vph
Type: Automatic
Period used: 1977-1979
Diameter: 26 mm
Height: 5.2 mm
Hands: 1.50 x 0.90 x 0.25 mm
The Seiko 2501A is a detached manual wind watch movement with jewel bearings for the barrel. It features automatic winding, sweep seconds, quickset date function, shock protection, and a calendar. This movement was used during the period of 1977-1979.
The Seiko 2501A features the following functions:
- Automatic Winding
- Calendar
- Date: quickset
- Shock Protection
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.15 x 0.120 x 10.5 mm | 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) |
|---|
Documents
Parts Listing
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