Authentic Hublot men's watch model 301.SB.131.RX, featuring a stainless steel case and black rubber strap. Equipped with a deployment push button foldover clasp and fixed ceramic bezel. Powered by the Calibre HUB4100 engine displaying power reserve information for up to approximately two days on one of the sub-dials. Silver toned hands combined with index Arabic numeral hour markers, minute indexes, and outer tachymetric scale against a black carbon fiber dial surface. Includes date display between 4-5 o'clock position, central chronograph second hand, automatic winding movement driving both timekeeping functions (hour/minute/second) and the power reserve indicator along with three sub-dials: one for seconds up to 60, another for minutes up to 30, and a third indicating hours up to 12. Carbon fiber dial, ceramic bezel insert, black rubber strap, sapphire crystal scratch resistant display surface, round case shape measuring 44mm in diameter with a thickness of 14.5mm, transparent screw-down case back allowing view of the movement, water resistance rated at 100 meters or approximately 330 feet, and comes with a two-year Hublot WatchMaxx warranty.