IWC 853

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Serial no: 1 486 226 (aprox: 1961). Data: 853 21 jewels, automatic winding. Size: 13''' 29,0 mm. H: = 5,60 mm. N: = 19800. Power reserve: 44 h. Versions: 13''' (1952 - 1964). 85: c enter 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). Show more