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.