Helvetia 830 (11.5'''), Winding stem, Ronda: 963
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Exact VAT amount will be calculated in the checkout based on your ordering location.
- Manufacturer Ronda no: 963
- Thread: 0.90 mm
- 1 pcs.
- Fits cal: 830, 837, 838, 844, 845 (11.5''').
- A: = 64
- E: = 418
- B: = 88
- C: = 125
- D: = 90
- F: = 50
Data Helvetia 830
- 17/21 jewels, manual wind, sweep second.
- S: = 11.5''' 25.60 mm.
- H: = 4.30 mm.
- N: = 18.000 A/h.
- Power reserve: 44 h.
- Mainspring: 1.40 x 10 - 0.12 - 310
Versions:
- 830: manual wind.
- 837: automatic wind.
- 838: automatic wind, redesigned.
- 844: automatic wind, date.
- 845: automatic wind.