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IWC 52 20
Ligne: 10.5'''
Jewels: 15/17
Power Reserve: 41 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1950
Diameter: 23.35 mm
Height: 3.5 mm
Hands: 1.40 x 0.80 / 0.22 mm
The IWC 52 20 is a manual wind watch movement that features sub second functionality. Produced around the 1950s, it belongs to a family of movements including the 900, 902, 903, 927-929, 938, and 968. While there are differences among these movements, the exact nature of these differences is not currently known. It is speculated that these variances may be related to varying bridge designs.
The IWC 52 20 features the following functions:
- Manual Winding
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.55 x 0.100 x 290 x 9.0 mm | Manual | Buy mainspring | |
| 1.55 x 0.105 x 280 x 9.0 mm | GR4390 | 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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