13368 Rolex 6262, Cosmograph Daytona, Reference: 6262, Case-back Stamped 6239, "In 1970, the movement is upgraded for the last time with the introduction of the new cal. 727 (21600 bps) and references 6239/6241 then become references 6262/6264 until 1972", Stainless Steel on a Stainless Steel Bracelet, Manual Wind Movement (Caliber 727), Chronograph, Silver Dial with Black Sub-Dials, Diameter: 37 mm, Thickness: 13 mm, Acrylic Crystal, Serial #: 253XXXX, Water Resistant, Excellent Condition with European Watch Co. Box and Warranty Card.