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Bulova 7AH
Ligne: 8.75'''
Jewels: 15
Power Reserve: 42 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1930
Diameter: 19.75 mm
Height: 3.4 mm
Hands: 1.20 x 0.60 / 0.18 mm
The Bulova 7AH watch movement is a mechanical movement featuring a bimetallic screw balance and a Breguet hairspring. The specific differences between the Aurore 110, 130, and 135 movements are not known. This movement is manually wound, displays a sub-second function, and was predominantly used during the period of approximately 1930.
The Bulova 7AH features the following functions:
- Manual Winding
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.25 x 0.085 x 240 x 7.0 mm | GR3089 | Manual | Buy mainspring |
| 1.20 x 0.090 x 250 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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