The Rolex Day-Date 40 is an iconic luxury chronometer. Its features include a white gold case, white gold President bracelet, meteorite dial featuring Shailene rhinestone accents and baguette-cut diamonds, analog movement with date function at the 3 o'clock position and day of the week indicator at 12 o'clock via aperture. Powered by Rolex Calibre 3255 automatic movement (derived from Calibre 3035), it has a 70-hour power reserve, operates at 28,800 vph frequency with 31 jewels, features a sapphire crystal scratch-resistant glass and screw-down crown. The solid caseback completes the design.