Automatic chronometer movement, black dial with yellow gold-tone hands and index hour markers, minute markers on the outer rim, analog dial type with luminescent details, date display at the 3 o'clock position, one subdial for 24-hour time, screw-down crown, sapphire crystal bezel including a bi-directional rotating ring command bezel (yellow gold-tone), solid case back, round case size 42 mm in yellow gold-tone material, fold over clasp with safety release, water resistant to 100 meters / 330 feet, Rolex Calibre 9002 movement based on Calibre 9001 with approximately 72-hour power reserve and bitting rate of 28800 vph, original box included, international warranty card provided, manual supplied (complete accessories). Functions: annual calendar, month display, date function, GMT hand, second time zone hand, hour, minute, second functions. Sky-Dweller series.