Cosmograph Daytona, Ref:6263, Serial No.5529***, Circa 1977
17-jewel Cal.727 adjusted to 3 positions, silvered dial with red DAYTONA printed above the 12 hour dial, applied gilt metal baton hour markers and outer luminous dots, outer printed seconds scale, steel baton hands with luminous inserts, black arrow chronograph hand, sunken matt black engine turned subsidiary dials for running seconds, 30 minute and 12 hour recording, brushed and polished case with screw down back, fixed steel bezel with gloss black units per hour calibrated insert, screw down Oyster crown flanked by screw down chronograph pushers, fitted Oyster link bracelet with signed folding clasp stamped 78350 and 571 end pieces, together with service box, Rolex pouch, service booklet and guarantee card dated 7 October 2013, case, dial and movement signed
38mm.