IWC Big Pilots Black Dial Mens Watch iw501004, Grey titanium case with brown calf leather strap. Fixed grey titanium bezel, black dial featuring luminous blue hands and Arabic numeral hour markers including minute outer rim markers. Luminescent coating on the hours and minutes hand tips as well as the hour markers. Analog dial type displaying a date at 6 o'clock position and power reserve subdial indicator. Powered by IWC Calibre 52110 automatic movement (derived from Calibre 52010) with approx. 31 jewels, 257 components, beats per hour: 28800 vph, offering about a 168-hour power reserve. Equipped with scratch-resistant sapphire crystal glass face. Features screw-down crown and solid case back. Round case shape measuring 46.2 mm in diameter and 15.4 mm thick. Band width is 22mm secured by tang clasp system. Water resistant up to 60 meters / 200 feet depth. Functions: date, hour, minute, second, power reserve indicator display.