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Cyma Tavannes 420
(Cyma, Tavannes)
Ligne: 12.5'''
Jewels: 28
Lift Angle: 48°
Frequency: 36000 vph
Type: Automatic
Period used: 1970-
Diameter: 28.4 mm
Height: 4.8 mm
Hands: 1.52 x 1.00 x 0.17 mm
The Cyma Tavannes 420 is a chronometer movement with a period of use starting in 1970. It incorporates jewel bearings for the barrel, enhancing its performance and reliability. This movement has several functions including automatic winding, sweep seconds hand, day display, quickset date feature, and a hack feature.
The Cyma Tavannes 420 features the following functions:
- Automatic Winding
- Date: quickset
- Day
- Hack feature
- 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
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| REG FOR ADJUST DEVICE | M/3017 | Buy part | |
| REGULATOR ADJUSTER | M/3018 | Buy part | |
| ROLLER | 044-02 | 730/64 | Buy part |
| STEM, GENUINE | 065-99 | 401/766 | Buy part |
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