Breitling Chronomat

Wristwatch with stopwatch and slide rule functions, Ref. 769, circa 1947 watch case: 18k gold, number 707140, rotating bezel, diameter approx. 35 mm movement: Hand-wound, lever escapement, Venus 175 caliber, screw balance, stopwatch function via column wheel, 17 jewels dial: Silver-colored, Arabic numerals, two sub-dials for small seconds and 45-minute counter Dial refurbished, one movement mounting screw removed

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