Silver-tone stainless steel case with two-tone (silver-tone and yellow gold-tone) stainless steel and 18kt yellow gold oyster bracelet, uni-directional rotating blue 18kt yellow gold bezel, blue dial with yellow gold-tone hands and index hour markers and minute markers, analog dial with luminescent hands and markers, date display at 3 o'clock, Rolex Calibre 3135 automatic chronometer movement with 31 jewels, 28800 vph, 48-hour power reserve, screw down crown, solid case back, round case 40 mm, fold over clasp with safety release, functions: hour, minute, second, date, chronometer certified, Submariner Date series, Swiss Made, pre-owned condition