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Each watch runs on the same manual wind 1917 MC movement with the same 33.7mm length and 25.5mm link width. No rail link tracks or Roman numerals to be found, these simple time-only watches do still carry link the hallmark sapphire cabochon crown. All models have sword-shaped hands, a mineral crystal, and are water resistant to about 100 feet.

Eska might not be the most well known brand but this is a beautiful example of a wonderful vintage chronograph nonetheless. First the condition is truly remarkable with a link very sharp case and a perfect dial. Then this watch offers link the complications we love a chronograph of course but also a triple calendar with two upper guichets in a design reminiscent of the Rolex Dato-Compax. The movement powering those link complications is the workhorse Valjoux 72C derived from the ubiquitous Valjoux 72.