Oriosa

Wristwatch with stopwatch function and shaped case, circa 1974 watch case: stainless steel, screw-down back, crown on the left, width approx. 40 mm movement: Automatic with micro-rotor, lever movement, caliber JRGK 12 (Kelek, based on Buren), fine adjustment, stopwatch function via toggle switch, 17 jewels dial: Black, blue tachymeter scale, applied hour markers, two sub-dials for 30-minute and 12-hour counters, date Following the closure of the Buren company, Kelek—a company owned by Jean-Raoul Gorgerat—took over the licenses for the production and distribution of Caliber 12 in the early 1970s. The movement in this watch is accordingly marked “JRGK.” Case and crystal partially scratched.

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