Silver-tone stainless steel case with fixed diamond bezel bracelet in silver-tone stainless steel Black dial features luminous arrow-shaped hands and index hour markers Minute markers on the tachymetric outer rim Analog dial type Includes date display at 3 o'clock position Sub-dials for day, power reserve and retrograde calendar functions Four sub-dials also indicate date Carl F. Bucherer Calibre CFB 1903 automatic movement based on ETA 2892-A2 with 34 jewels beating at 28800 vph Power reserve approximating 42 hours Scratch resistant sapphire crystal Skeleton transparent exhibition case back Pull / push crown Round shape measuring 40 mm in diameter and 11.5 mm thick Water resistant to 30 meters (100 feet) Functions include GMT, date, day, hour, minute, second