156. Rolex. Beau chronographe bracelet en acier mouvement mécanique Rolex. A fine stainless steel chronograph bracelet watch Model: Cosmograph Daytona Big Red 'Floating' Reference: 6265/6263 Date: Circa 1984 Movement: 17-jewel Valjoux Cal.727 manual wind, adjusted to 3 positions, column wheel chronograph, No.14370 Dial: Sunburst silvered, applied polished baton hour markers, black outer 1/5th second divisions with luminous dot five minute markers, sunken engine turned black subsidiary dials at 3, 6 and 9 for seconds, 30 minute and 12 hour recording, polished baton hands with luminous inserts, black arrow tipped chronograph hand Case: Brushed and polished tonneau form, screw down back stamped C.R.S. and 6263 inside, screw down crown flanked by twin screw down pushers, tachymetre to bezel, No.8617136 Strap/Bracelet: Fitted brushed and polished 78350 Oyster link, end links stamped 557 Buckle/Clasp: Signed folding clasp, stamped I11 Signed: Case, dial & movement Size: 37mm In 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 aluminium insert with printed tachymetre, whereas the 6265, as with the current lot, presented to the market a smooth engraved metal bezel.