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IWC 401
Ligne: 10.5'''
Jewels: 17/21
Power Reserve: 44 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1960
Diameter: 23.7 mm
Height: 2.8 mm
Hands: 1.30 x 0.70 / 0.22 mm
The IWC 401 is a manual wind watch movement with a sub-second function. It features a bridge layout that differs from the common AS 1525. The specific differences between the 25.09, 25.19, and 25.29 variants are not known. This movement was used during the period around 1960.
The IWC 401 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 |
|---|---|---|---|
| 1.30 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) | |
|---|---|---|---|
| See More |
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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