Rolex Cosmograph DaytonaRef. 6239
ROLEX REF. 6239 PAUL NEWMAN BLACK DIAL STEEL
Rolex, "Cosmograph Daytona," No. 1997763, Ref. 6239. Made circa 1969.
Very fine and very rare, water-resistant, stainless steel wristwatch with round-
button chronograph, registers, tachometer and a stainless steel Rolex Ref. 7205 Oyster riveted bracelet.
Three-body, polished and brushed, screwed-down case back and winding
crown, tachometer graduation on the steel bezel to 200 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
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.