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Ronda 9011-21
Ligne: 11.5'''
Jewels: 17
Power Reserve: 42 hrs
Frequency: 21600 vph
Type: Manual Wind
Period used: ~1975
Diameter: 26 mm
Height: 4.6 mm
Hands: 1.50 x 0.90 x 0.21 mm
The Ronda 9011-21 watch movement is characterized by its manual winding mechanism and sweep seconds function. It also features a quickset date function and a month calendar that allows manual quickset for days of the week in a month overview. The movement includes shock protection, ensuring durability and longevity. The 7428/2 movement was used during the period around 1975.
The Ronda 9011-21 features the following functions:
- Date: quickset
- Manual Winding
- Month calendar: manual quickset for days of the week in a month-overview
- Shock Protection
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 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) | |
|---|---|---|---|
| See More |
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
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