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Bulova 5BD
Ligne: 18.5'''
Jewels: 15
Power Reserve: 33 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1945
Diameter: 41.6 mm
Height: 6.5 mm
Hands: 2.00 x 1.15 / 0.26 mm
The Bulova 5BD watch movement is an open face calibre with optional Breguet hairspring and varying bridge shapes. It possibly includes a left-handed ratchet-wheel screw. The differences between the 429, 441, 457, 459, and 465 are unknown, and it is likely that they are simply catalog designations for different bridge shapes. The movement features stem winding and setting, sub-second function, regular and reverse winding, and was used around 1945.
The Bulova 5BD features the following functions:
- Stem wind and set
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 2407 | Ordinary/None | Buy staff |
| 3685 | Incabloc | Buy staff |
| 3137 | Supershock | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 2.50 x 0.200 x 500 x 17.0 mm | GR6703 | Manual | Buy mainspring |
| 2.50 x 0.200 x 460 x 16.0 mm | Manual | Buy mainspring | |
| 2.50 x 0.180 x 500 x 15.0 mm | GR6669 | 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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