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IWC 77
Ligne: 10.5'''
Jewels: 15/17
Power Reserve: 40 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1940
Diameter: 23.7 mm
Height: 4.2 mm
Hands: 1.40 x 0.70 mm
The IWC 77 is a mechanical watch movement with various bridge shapes. The differences between the 1, 10.5''', 2, 10.5''', 30, 31, 50, 65 old, 66 old, 70 old, 71 old, 73 old, 76 old, 78, 90, 91, 107, 108, 110, and 112 versions are not known. It is a manual wind movement with a sub-second function. The IWC 77 movement was commonly used in watches around the period of 1940.
The IWC 77 features the following functions:
- Manual Winding
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.70 x 0.105 x 320 x 9.5 mm | GR4896 | Manual | Buy mainspring |
| 1.70 x 0.100 x 290 x 9.0 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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