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Benrus BB4
Ligne: 19'''
Jewels: 7
Frequency: 360000 vph
Type: Manual Wind
Period used: ~1949
Diameter: 42.8 mm
Height: 7.0 mm
Hands: 1.20 / 1.20 mm
The Benrus BB4 is an open face calibre watch movement that was in use around 1949. It features a timer function with various intervals such as 1 second (with a precision of 0.01 seconds) and 30 seconds. The movement utilizes a pillar wheel mechanism for smooth operation. Other functions include an addition timer, stem winding, sweep second (1s), and sub second (30s).
The Benrus BB4 features the following functions:
- Addition timer
- Pillar wheel
- Stem wind
- Sub second (30s)
- Sweep second (1s)
- Timer function (1s, 0.01s)
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.150 x 420 x 12.5 mm | GR4611 | 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
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