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Seiko 2505B
Ligne: 11.5'''
Jewels: 25
Lift Angle: 54°
Power Reserve: 46 hrs
Frequency: 28800 vph
Type: Automatic
Period used: ~1970
Diameter: 26 mm
Height: 5.2 mm
Hands: 1.50 x 0.90 x 0.21 mm
The Seiko 2505B is a mechanical watch movement that was commonly used around 1970. It features an indirectly driven minute hand, which enables a large balance and a low profile design. Additionally, this movement is equipped with several functions, including automatic winding, sweep seconds, quickset date, and a hack feature.
The Seiko 2505B features the following functions:
- Automatic Winding
- Date: quickset
- Hack feature
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.45 x 0.090 x 10.5 mm | Auto | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More |
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More |
Documents
Parts Listing
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