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philby
·Sorry if it's been asked and answered before, but: according to Ranfft, Certina built their Cal. 25-651 from 1960 until 1975.
Were there any noticeable differences between early and late builds of this calibre, or would even a watchmaker find it difficult or impossible to see if one was made in, for example, 1962 vs 1972?
Were there any noticeable differences between early and late builds of this calibre, or would even a watchmaker find it difficult or impossible to see if one was made in, for example, 1962 vs 1972?
