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Ronda 1237-21
Ligne: 17'''
Jewels: 15
Power Reserve: 40 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1930
Diameter: 38.35 mm
Height: 4.2 mm
Hands: 1.80 x 1.00 / 0.26 mm
The Ronda 1237-21 watch movement is an open face calibre movement. While the specific differences between the 79 and 793 are not known, both movements share similar characteristics. The movement features stem winding and setting functionality, as well as a sub-second display. The Ronda 1237-21 movement was commonly used during the approximate period of 1930.
The Ronda 1237-21 features the following functions:
- Stem wind and set
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.40 x 0.215 x 460 x 17.5 mm | GR3896 | 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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