(c): Mars Mountain
ZENITH movement cal. 2541, mid 1970's. Gent's 11 1/2''' caliber squeezed into a ladies watch. 17 jewels, 21600 bph sub second movement. This was the last Zenith manufactured caliber (1966-1975) featuring sub second dial until the Elite caliber came along in 1994.

1 comments:
Just bought my first vintage Zenith cal 2542 and found your Blog. Thanks for all the research and photo's of a great collection.
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