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Ronda 1239-21
Ligne: 11.5'''
Jewels: 17/23
Power Reserve: 36 hrs
Frequency: 18000 vph
Type: Automatic
Period used: ~1962
Diameter: 26 mm
Height: 5.35 mm
Hands: 1.25 x 0.70 x 0.25 mm
The Ronda 1239-21 watch movement is a detached, manual wind movement with a jewel-bearing rotor consisting of 23 jewels. It shares similarities with the Buren 542 and Buren 549 movements, although the specific differences are not known. The Ronda 1239-21 movement incorporates the functions of automatic winding and a sweep seconds hand. It was primarily used during the period around 1962.
The Ronda 1239-21 features the following functions:
- Automatic Winding
- Sweep second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.35 x 0.080 x 220 x 7.5 mm | GR3472X | Auto | 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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