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Ronda 1218-21
Ligne: 8.25'''
Jewels: 21/23/25
Lift Angle: 51°
Power Reserve: 38 hrs
Frequency: 18000 vph
Type: Automatic
Period used: 1959-1967
Diameter: 18.6 mm
Height: 5.25 mm
Hands: 1.20 x 0.70 x 0.20 mm
The Ronda 1218-21 watch movement, used during the period from 1959 to 1967, features a mobile stud carrier implemented in 1964. It is equipped with an indirectly driven minute hand, enabling a large balance and low profile construction. Additionally, the movement includes functions such as automatic winding and a sweep second hand, facilitated by an offset center wheel.
The Ronda 1218-21 features the following functions:
- Automatic Winding
- Offset Center Wheel
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 4400 | Ordinary/None | Buy staff |
| 5235 | Incabloc | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.080 x 220 x 7.0 mm | GR3201X | Auto | Buy mainspring |
| 1.30 x 0.075 x 220 x 6.5 mm | GR3193X | 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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