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The infamous cal. K1001 vs K1014 argument
The nightfall of the Vacheron & Constantin traditional size manual wind movements:
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Many different babies, all from the same mother. The Vacheron cal. K1014 movement and some other derivats.

The beauty contest: Vacheron cal. K1001, Vacheron cal. K1001/1, Vacheron cal. K1001/2

Early 1960's Vacheron cal. K1001 vs. early 1970's Vacheron cal. K1014:

Late 1960's Vacheron cal. K1001/2 vs. early 1970's Vacheron cal. K1014: