Important Modern & Vintage Timepieces
New York, Sep 30, 2015
BREITLING REF. 1765 24-HOUR UNITIME CHRONOGRAPH STEEL Breitling Genève, "24-Hour Unitime," Ref. 1765 Made in the 1970's. Fine, antimagnetic, water-resistant, stainless steel wristwatch with 24-hour dial, round button chronograph, registers and a stainless steel Breitling buckle.
Three-body, polished and brushed, screwed-down case back, bidirectional revolving graduated black bezel in 24 hours, lapidated lugs. Bicolor black and silver with luminous Arabic 24-hour numerals, subsidiary sunk guilloche silver dials for the seconds, the 30-minute and 12-hour registers. Luminous white hands. Cal. 178, copper-colored, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating Breguet balance spring.