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Longines 20.52
Ligne: 13.5'''
Jewels: 17
Power Reserve: 41 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1953
Diameter: 30.6 mm
Height: 4.0 mm
Hands: 1.45 x 0.80 / 0.18 mm
The Longines 20.52 watch movement is a manual wind movement with a sub second function. It was produced around 1953. Not much information is available regarding the specific differences between the Revue 81, Longines 20.52, and MSR X3 movements. The movement features a cam disc regulator, although further details are unknown.
The Longines 20.52 features the following functions:
- Manual Winding
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.135 x 12.0 mm | Manual | Buy mainspring |
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 |
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