ROLEX REF 6265 COSMOGRAPH
DAYTONA BLACK DIAL STEEL
Rolex, "Oyster Cosmograph, Daytona", case No. 6043984,
Ref. 6265/6263. Made circa 1979.
Fine and rare, water-resistant, stainless steel wristwatch with steel bezel, round button chronograph, registers,
tachometer and a stainless steel Rolex Oyster bracelet
Ref. 78350.
Three-body, polished and brushed, screwed-down
case back, buttons and Triplock winding crown, tachometer
graduation on the bezel to 200 units per hour.
Bicolor black and silver with applied steel baton
indexes and luminous dots, outer 1/5th seconds track,
subsidiary guilloché dials for the seconds, the 12-hour
and 30-minute registers. Luminous steel baton hands.
Cal. 727, rhodium-plated, 17 jewels, straight-line lever
escapement, monometallic balance with Microstella
regulating screws, adjusted to 3 positions, shock absorber,
self-compensating Breguet balance spring.