Rolex Daytona 6263/6239

Brand Rolex, Geneva Model “Oyster” “Cosmograph”; “exotic” dial so-called “Paul Newman” Year circa 1971 Reference 6263 / 6239 (by “C.R.S”, Charles René Spielman, Chêne-Bourg, Geneva) Movement unnumbered Calibre 727, 17 jewels, adjusted to 3 positions Case No. 2 875 988 Material/s stainless steel Bracelet stainless steel “Oyster” bracelet with deployant clasp (Ref. 78350/19; end-links 571) Dimensions Ø 37.5 mm. (bezel) 43.6 x 35.8 mm. Thickness 13.9 mm. Length 185 mm. (approx.) Weight 92.8 gr. (approx.) Signature dial, case and movement Stainless steel, manual-winding, tonneau-shaped, gentleman’s wristwatch, subsidiary seconds at 9 and three horological complications: • 1/5 second chronograph (activated by the two round screwed push-pieces located on the case-band) with tachometric scale graduated on the black insert of the stainless steel bezel for 200 units per hour • Half-instantaneous 30-minute counter (subsidiary dial at 3 o’clock) • 12-hour counter (subsidiary dial at 6 o’clock) Case: three-piece, polished, water-resistant with screwed case-back, polished screwed “triplock” winding-crown; stainless steel bezel with black colour “epoxy” acrylic insert; service screwed push-pieces. Dial: beige colour dial with black colour recorders, applied stainless steel indexes with luminescent dots; luminescent “baton” hands. Movement: 727 (based on Valjoux 72 ebauche by Raymond Frères, Les Bioux, Vallée de Joux), 17 jewels, adjusted to 3 positions.