IWC 85-720, Balance wheel with original staff

IWC original balance wheel with original balance staff in very good recycled condition.

• Fits cal: 85, 851, 852, 8521, 853, 8531, c852, C8521, C8531

Versions: 13''' (1952 - 1964).

• 85: center second.
• 851: center second.
• 852: center second (1952 - 1958).
• 8521: center second (1953 - 1958).
• 853: center second (1958 - 1963).
• 8531: center second, date, H=6.40 mm (1959 - 1964).

Versions: 12,5''' (1964 - 1996).

• 854: 21-25 jewels, center second, H=4.85 mm (1964 - 1976).
• 854B: 23-25 jewels, stop mechanism, H=4.85 mm (?).
• 8541: 21-25 jewels, date, stop mechanism, H=5.90 mm (1964 - 1976).
• 8541B: 23-25 jewels, date, stop mechanism, H=5.90 mm (1976 - 1996).

About our used parts!

All our used parts are cleaned and thoroughly checked by a watchmaker, often they comes from a working movement. Minor imperfections may occur, butnothing that affects the function.