This chronograph by Oris comes with an all-black dial and various complications. Oris BC4 Chronograph is equipped with Oris 674 automatic calibre, a modification of ETA 7750. The movement performs 28 800 vibrations per hour and has 25 bearing jewels. A 42-hour power reserve is available for the convenience of the wearer. Hands and indices are luminous for improved night time visibility. The chronograph of the watch comes with a 1/4 second centre hand, as well as with a 60-second, a 30-minute and a 12-hour register. A date display appears at the 3 o'clock mark. Additional useful features include telemeter, black DLC plated stainless steel casing, Oris Quick Lock security crown, see-through case back and scratch-resistant sapphire crystal glass with anti-reflective coating.