IWC 8521, 8531, Eight star wheel, no: 2526

• 
  Used IWC original part in very good condition.

• 
  Fits cal: 8521, 8531

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

• 
  85: center second.
• 
  851: center second.
• 
  852: center second (1952 - 1958).
• 
  8521: center second, date, (1953 - 1958).
• 
  853: center second (1958 - 1963).
• 
  8531: center second, date, (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.