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Felsa 254
Ligne: 12.5'''
Jewels: 17
Frequency: 18000 vph
Type: Manual Wind
Period used: 1951-1958
Diameter: 28.2 mm
Height: 6.4 mm
Hands: 2.20 x 1.41 x 0.79 x 0.18 mm
The Felsa 254 watch movement was produced by Junghans for Bulova between 1951 and 1958. It features 17 jewels and has a common barrel for both the watch and alarm functions. The movement includes a ratchet on the dial side and a crown mechanism with a rocker bar. It offers various functions including manual-wind alarm, sweep second, sub seconds, and an alarm function.
The Felsa 254 features the following functions:
- Alarm Complication
- Manual-wind alarm
- Sub Second
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.70 x 0.130 x 380 x 12.0 mm | GR4960 | Manual | Buy mainspring |
| 1.70 x 0.120 x 385 x 11.5 mm | Manual | Buy mainspring | |
| 1.70 x 0.120 x 360 x 10.5 mm | GR4937 | 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
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