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Ronda 237
Ligne: 5.75 x 8.5'''
Jewels: 15
Power Reserve: 43 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1950
Size: 12.8 x 19.5 mm
Height: 3.6 mm
Hands: 1.20 x 0.60 mm
The Ronda 237 is a manual wind watch movement that was commonly used around the period of 1950. It shares many parts with the Eterna 1057 movement. The differences between the 1201-1210, 1212, 1214, and 1215 movements are not currently known, but it is likely that these different numbers were assigned to reflect variations in base plates, bridge layouts, and lever bridges.
The Ronda 237 features the following functions:
- Manual Winding
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.080 x 260 x 7.5 mm | GR3203 | Manual | Buy mainspring |
| 1.30 x 0.080 x 245 x 7.5 mm | 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
| Part Description | Reference # | Alternate | Buy |
|---|
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