Yema Yachtingraf 9312

Yema, France, "Yachtingraf", Case No. 60016, Ref. 9312, Cal. Val. 7730, 38 x 47 mm, circa 1967 A rare vintage "Yachting" chronograph with patented regatta countdown timer for yacht racing Case: steel, screw back, bidirectional rotating bezel with 60 minutes division. Dial: black. This exceptionally rare Yema Yachting Chronograph in excellent condition features two subsidiary dials, with the five-minute countdown register on the right solely intended for use as a timer for sailing competitions. The mechanism was developed in 1966 and patented in 1967. The Yachtingraf model comes in seven different versions; only approximately 100 of this version (2nd execution) are known.