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Waltham 870SS
Jewels: 17
Power Reserve: 34 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1895-1899
Diameter: 43.1 mm
Height: 6.65 mm
Hands: 1.65 x 0.92 / 0.25 mm
The Waltham 870SS watch movement was produced between 1895 and 1899, with a total of 6000 units manufactured. It features a hunter calibre, specifically the model 6, equipped with a bimetallic screw balance and a Breguet hairspring. The movement incorporates a negative stem mechanism, allowing for easy switching between winding and setting by either the crown or the lever. Additionally, it includes the functions of stem wind with switching options, a sub second, and is suitable for lever position setting.
The Waltham 870SS features the following functions:
- Stem wind, switchable by crown or lever
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 2.64 x 0.190 x 560 x 16.0 mm | Manual | 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
| Part Description | Reference # | Alternate | Buy |
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