Important Collectors' Wristwtches, Po...

New York, Sep 26, 2007

LOT 266

?Ref. 6263 Stainless Steel Cosmograph Daytona? Rolex, ?Oyster Cosmograph Daytona", Ref. 6263. Made in the 1970s. Fine, water-resistant, stainless steel wristwatch with round-button chronograph, registers, anti-reflective black bezel with tachometer and a stainless steel Rolex Oyster bracelet. Accompanied by a recent service invoice.

C. Three-body, polished and brushed, screwed-down case back, buttons and ?Triplock? winding crown, tachometer graduation on the bezel to 200 units per hour. D. Bicolor silver and black with applied steel baton indexes and luminous dots, outer minute and 1/5th seconds divisions, subsidiary ?guilloché? dials for the seconds, the 30-minute and 12-hour registers. Luminous steel "baton" hands. M. Cal. 727, rhodium-plated, 17 jewels, straight-line lever escapement, monometallic balance adjusted to 3 positions, shock absorber, selfcompensating free-sprung Breguet balance spring, Microstella regulating screws. Dial, case and movement signed. Diam. 38 mm. Thickness 13 mm.