Rolex Calibre 2235 automatic movement, black dial with silver-tone hands and hour markers (including minute markers on outer rim), fixed 18kt white gold bezel, pearlmaster bracelet in 18kt white gold. Features screw-down crown, solid case back, round shape measuring 34mm x 11mm thickness, luminous elements for night readability, date display at the 3 o'clock position, water resistance to 100 meters (approx. 330 feet), and a power reserve of about 48 hours.