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ETA 931
Ligne: 10.5'''
Jewels: 17
Lift Angle: 50°
Power Reserve: 43 hrs
Frequency: 19800 vph
Type: Manual Wind
Period used: ~1963
Diameter: 23.3 mm
Height: 4.25 mm
Hands: 1.50 x 0.90 x 0.18 mm
The ETA 931 watch movement is a manual wind mechanical movement introduced around 1963. It features a sweep second function and is equipped with an Adjustable Stud Holder for improved accuracy. The movement incorporates a Shock Protection system for enhanced durability and reliability.
The ETA 931 features the following functions:
- Adjustable Stud Holder
- Manual Winding
- Shock Protection
- Sweep second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.105 x 300 x 9.0 mm | GR3268 | 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) |
|---|
Documents
Parts Listing
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