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Elgin 721
Ligne: 8.75'''
Jewels: 15/17
Power Reserve: 44 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1960
Diameter: 19.7 mm
Height: 3.6 mm
Hands: 1.20 x 0.60 / 0.18 mm
The Elgin 721 watch movement is a manual wind movement with a sub second function. It was commonly used during the period around 1960. The specific differences between the 63, 631, and 636 variations of the movement are not known.
The Elgin 721 features the following functions:
- Manual Winding
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.55 x 0.080 x 280 x 8.0 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) |
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Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
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