Rolex Datejust 36

The Datejust launched 1945 as world's first wristwatch displaying date changing automatically at midnight. The reference 126234 introduced 2016 updating Datejust 36 with refined proportions and Calibre 3235.

36 millimetres in Oystersteel with 18ct white gold fluted bezel. Monobloc Oyster case construction. Fluted bezel—originally functional grip pattern evolved into decorative signature. Screw-down Twinlock crown. Sapphire crystal with Cyclops magnifier enlarging date 2.5 times. One hundred metres water resistance.

White dial with applied Roman numeral hour markers. Date window at three o'clock. Inside sits Calibre 3235—Rolex's current-generation automatic movement introduced 2015. Thirty-one jewels, 28,800 vph, seventy-hour power reserve. Chronergy escapement with nickel-phosphorus components offering greater efficiency and magnetic resistance. COSC chronometer certified plus Rolex Superlative Chronometer certification ensuring -2/+2 seconds daily accuracy.

The white gold fluted bezel and white dial with Roman numerals deliver classic dress watch aesthetics whilst Calibre 3235's seventy-hour power reserve and enhanced accuracy provide modern performance supporting daily wear across formal and casual contexts.