ROLEX REF. 6238 PRE-DAYTONA STEEL
Rolex, Geneve. Case No.1166474, Ref. 6238. Made in 1965.
Very fine and rare, water-resistant, manual winding, stainless
steel wristwatch with round button chronograph, registers and
tachometer with a stainless steel elastic Rolex USA bracelet.
Three-body, polished and brushed, curved lugs, inclined
bezel, screwed-down case back and Oyster crown.
Silvered with applied steel baton indexes and luminous dots,
subsidiary dials for the seconds, the 12-hour and 30-minute
registers, outer 1/5th seconds/minutes division. Luminous steel
Cal. 722, rhodium-plated, 17 jewels, straight-line lever
escapement, monometallic balance adjusted to three positions,
shock absorber, self-compensating breguet balance spring.