ROLEX REF. 6239 PAUL NEWMAN BLACK DIAL STEEL
Rolex, "Oyster Cosmograph Daytona," No. 1874382, Ref. 6239/6238. Made circa 1968.
Very fine and very rare, water-resistant, stainless steel wristwatch with round-button
chronograph, registers, tachometer and a stainless steel Rolex Oyster bracelet.
Three-body, polished and brushed, screwed-down case back and winding crown,
tachometer graduation on the black bezel to 300 units per hour.
Bicolor off-white and black with applied black painted steel square indexes and
luminous dots, subsidiary dials for the seconds, the 12-hour and 30-minute registers,
outer red 1/5th seconds track. Luminous steel baton hands.
Cal. 722, rhodium-plated, 17 jewels, straight-line lever escapement, monometallic
balance adjusted to 3 positions, shock absorber, self-compensating free-sprung Breguet
balance spring, Microstella regulating screws.