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Ronda 1246-21
Ligne: 9.25'''
Jewels: 17
Power Reserve: 39 hrs
Frequency: 18000 vph
Type: Automatic
Period used: ~1951
Diameter: 21 mm
Height: 5.3 mm
Hands: 1.30 x 0.75 x 0.21 mm
The Ronda 1246-21 watch movement is a detached manual wind movement that features a balance and barrel from Bulova. It is an automatic movement with a sweep second function. The movement was used during the period around 1951.
The Ronda 1246-21 features the following functions:
- Automatic Winding
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.45 x 0.085 x 240 x 7.5 mm | GR3930X | Auto | Buy mainspring |
| 1.45 x 0.085 x 240 x 7.0 mm | Auto | 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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