Rolex Daytona, ref. 6263. Three register, Cosmograph chronograph. Water-resistant, stainless steel wrist-watch with black bezel, round button chronograph, registers, tachometer and a stainless steel Rolex Oyster bracelet ref.78350. Three piece case, polished and brushed, screwed-down case back, buttons and Triplock winding crown, tachometer graduation on the bezel to 200 units per hour. Bicolor silver and black with applied steel baton indexes and tritium dots, outer 1/5th seconds track, subsidiary guilloché dials for the seconds, the 12-hour and 30-minute registers. Luminous steel baton hands. Calibre 727.

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