ROLEX REF 6239 DAYTONA SUNBURST TROPICAL SUB-DIALS
Rolex, "Cosmograph Daytona," case No. 1695096, Ref. 6239. Made circa 1965.
Very fine and rare, water-resistant, stainless steel wristwatch with round button
chronograph, registers and tachometer. Accompanied by the original fitted box,
Guarantee Certificate (now void), instructions and model related paper.
Three-body, polished and brushed, tachometer graduation on the steel bezel
to 300 units per hour, screwed-down case back and winding crown.
Bicolor silver and black with applied steel baton indexes and luminous dots,
outer 1/5th seconds track, subsidiary guilloche dials for the seconds, the 12-
hour and 30-minute registers. Luminous steel baton hands.
Cal. 722-1, rhodium-plated, 17 jewels, straight-line lever escapement, monometallic
balance, shock absorber, self-compensating Breguet balance spring,
Microstella regulating screws.