IWC 851-275, Sweep second pinion

IWC 851-275, Sweep second pinion

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  • Used IWC original part in good condition.

  • Total height: 5.40 mm.

  • Fits cal: 851, 852, 853


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!

Allused partsarecleaned andthoroughlycheckedby a watchmaker, often they come froma workingmovement.Minor imperfectionsmay occur,butnothing that affectsthe function.