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Alpina 840
(Alpina Straub)
Ligne: 11.5'''
Jewels: 17
Lift Angle: 52°
Power Reserve: 46 hrs
Frequency: 21600 vph
Type: Manual Wind
Period used: ~1975
Diameter: 26 mm
Height: 4.5 mm
Hands: 1.50 x 0.90 x 0.25 mm
Base: Fontainemelon 21
The Alpina 840 watch movement, also known as FHF-ST or FHF signatures, is a mechanical movement commonly used in manual wind watches. It features a sweep second hand, allowing for more accurate timekeeping. The movement also includes a date function, which can be set by adjusting the time between 21-24 hours. It was produced circa 1975, making it a product of that time period.
The Alpina 840 features the following functions:
- Date: set by changing 21-24h
- Manual Winding
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.110 x 340 x 10.0 mm | GR4151 | 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
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