42mm = 1 5/8" Case, 7" Adjustable Strap Fixed Bezel Luminescent Hands & Hour Markers Push & Pull Crown Black PVD Tang Buckle Bell & Ross Instruments Nightlum BR0392-BL3-CE/SCA men's watch. Features a matt black ceramic case and grey-green calfskin strap. Fixed bezel. The matt black dial features Superluminova-filled matt black hands, indexes and Arabic numeral hour markers. The date is displayed in an aperture between 4 and 5 o'clock. Powered by the Bell & Ross caliber BR-CAL.302 self-winding automatic movement which boasts a 40 hour power reserve and beats at 28,800 vph. A scratch resistant sapphire crystal with anti-reflective coating protects the dial. The case is square and 42 mm in diameter. Push and pull crown. Black PVD pin buckle. Water resistant to 100 meters / 330 feet. Functions: hours, minutes, seconds, date. Casual watch style. Swiss made. Movement:Automatic