This vintage Rolex Datejust “Ovettone” Ref. 6305 is a highly collectible early example of Rolex’s iconic date complication. Produced in the early 1950s, this reference features a robust stainless steel Oyster case, characterized by the distinctive “Ovettone” (bubble back–style) case back, designed to accommodate the automatic movement. The watch is fitted with a classic cream dial with applied hour markers and a date window at 3 o’clock, enhanced by the desirable roulette date wheel, alternating red and black numerals. Protected by a domed acrylic crystal and secured by a screw-down crown, it retains the functional elegance that defined Rolex’s post-war production. Powered by an early Rolex automatic movement, Ref. 6305 represents a pivotal step in the evolution of the Datejust line. With its strong vintage character, technical significance, and timeless design, this steel Datejust Ovettone is a rare and sought-after piece among collectors of early Rolex watches.