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Seiko 7001A
Ligne: 12.75'''
Jewels: 17
Lift Angle: 52°
Power Reserve: 46 hrs
Frequency: 18000 vph
Type: Automatic
Period used: 1952-1954
Diameter: 28.8 mm
Height: 5.7 mm
Hands: 1.15 x 0.78 mm
The Seiko 7001A watch movement, produced from 1952 to 1954, features a Breguet hairspring and a riveted heavy-metal bumper weight. Its functions include automatic winding (bumper) and sweep seconds.
The Seiko 7001A features the following functions:
- Automatic (bumper)
- Sweep 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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