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Ronda 137
Ligne: 11.5'''
Jewels: 1/17
Lift Angle: 52°
Power Reserve: 38 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1970
Diameter: 26 mm
Height: 3.9 mm
Hands: 1.80 x 1.30 x 0.20 mm
The Ronda 137 is a mechanical watch movement with a pin-lever escapement and a stem mechanism that does not include a setting-lever spring. It is noteworthy that the train and hand gear are separately driven by the barrel. This movement offers functions such as manual winding and a sweep second hand. The Ronda 137 movement was commonly used around the period of 1970.
The Ronda 137 features the following functions:
- Manual Winding
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 5200 | Ordinary/None | Buy staff |
| 5199 | Ordinary/None | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.40 x 0.105 x 320 x 9.5 mm | GR3681 | Manual | Buy mainspring |
| 1.40 x 0.105 x 300 x 9.5 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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