Vacheron Constantin 1050-401, Winding stem

• Vacheron Constantin original part, not in factory packaging.

• Fits Vacheron Constantin cal: 1050, 1050B, 1051, 1051B, 1052, 1052B

• Fits Audemars Piguet cal: 2050, 2050B

• Thread: 0.90

Data: Vacheron Constantin cal: 1050

• 20 jewels, manual wind.
• S: = 15.40 x 13.00 mm.
• H: = 2.36 mm.
• N: = 19.800 A/h.
• Power reserve: