Rolex. Beau chronographe bracelet en acier mouvement mécanique Rolex. A fine stainless steel manual wind chronograph bracelet watch Cosmograph Daytona 'Big Red', Ref 6265/6263, Purchased 1st March 1986Rolex. Beau chronographe bracelet en acier mouvement mécaniqueRolex. A fine stainless steel manual wind chronograph bracelet watch Model: Cosmograph Daytona 'Big Red'Reference: 6265/6263Date: Purchased 1st March 1986Movement: 17-jewel Valjoux Cal.727 manual wind, adjusted to 3 positions, No.16632Dial: Black, applied polished baton hour markers, white outer 1/5th second divisions with luminous dot 5 minute markers, sunken engine turned silvered subsidiary dials at 3, 6 and 9 for seconds, 30 minute and 12 hour recording, polished baton hands with luminous inserts, centre chronograph handCase: Brushed and polished tonneau form, screw down back engraved '8.5.1988 Mamma,Papa', inside case back stamped C.R.S. and 6263, screw down crown flanked by twin screw down pushers, black tachymetre insert to bezel, No.9038312Strap/Bracelet: Fitted brushed 78350 Oyster link, endlinks stamped 571Buckle/Clasp: Signed folding clasp, stamped 78350/J3Signed: Case, dial & movementSize: 37mm Accompaniments: Rolex box, outer card, GuaranteeIn 1969 Rolex replaced the first Oyster Cosmograph 6240 with both the reference 6263 and 6265. Although similar in many aspects, the main differentiating factor between the two new references was the choice of bezel. The 6263 featured a black acrylic insert with printed tachymetre, whereas the 6265, as with the current lot, presented to the market a smooth engraved metal bezel.This year, Rolex celebrates the 60th Anniversary of this iconic chronograph.