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Alpina 639
(Alpina Straub)
Ligne: 19.5'''
Jewels: 15
Frequency: 3600000 vph
Type: Manual Wind
Period used: 1962-
Diameter: 48.8 mm
Height: 7.1 mm
Hands: 1.20 x 1.20 x 0.26 mm
The Alpina 639 is an open face calibre watch movement with a winding gear that features a rocker on the back side. It incorporates a timer with various functionalities, including 0.1s (0.01s), 6s, 6min, and a pillar wheel. The movement is designed for stem winding and includes sub dials for measuring 1/100 seconds, seconds, and minutes. Additionally, it includes a stop over wheel on the escape-wheel arbor to measure 1/100 seconds. Early samples of the movement also featured an additional balance brake. The Alpina 639 movement has been used since 1962.
The Alpina 639 features the following functions:
- In early samples additional balance brake
- Stem wind
- Stop over wheel on escape-wheel arbor (1/100 seconds)
- Sub dials for 1/100 seconds, seconds, minutes
- Timer, 0.1s (0.01s), 6s, 6min, pillar wheel
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 2.40 x 0.200 x 15.5 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) |
|---|
Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|
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