Exceptional horologic works of art

Hotel Noga Hilton, Geneva, Oct 11, 2003

LOT 478

Rolex Oyster Cosmograph, Ref. 6263/6239, with steel bezel. Production of this reference started in 1971. Fine water-resistant, stainless steel gentleman's wristwatch with round button chronograph, registers, tachometer and a stainless steel Oyster bracelet.

C. three-body, polished and brushed, screwed-down case back, crowns and buttons, tachometer graduation on the steel bezelto 200 units per hour. D. bicolor matte silver and blackwith applied steel indexes and tritium-coated dots, auxiliary"guilloché" dials for the seconds, the 12-hour and 30-minute registers. Tritium-coated steel "Baton" hands. M. Cal. 13''', rhodium-plated, 17 jewels, straight line lever escapement, monometallic balance adjusted to 3 positions, shock-absorber, self-compensating Breguet balance spring.Dial, case and movement signed.Diam. 37 mm.Approx. overall length 200 mm.