The Pioneering Original Launched in 1945, the Rolex Datejust was the first wristwatch to feature an automatically changing date display. Its elegant proportions and technical innovation have made it a defining model in the Rolex collection. Refined Craftsmanship This 2002 reference 118238 features a 36mm case crafted from 18ct yellow gold with a fluted bezel and metallic dial. Powered by the calibre 3155 automatic movement, it offers a 48-hour power reserve and is paired with an Oyster bracelet secured by a Crownclasp. A luxurious expression of Datejust heritage.