This mode features a matt black dial with a 30 minute recorder 12 hour recorder and a small seconds subdial at 3 6 and 9 oclock which are decorated with a bronze 18k yellow gold and 925 silver ring respectively at the heart of this chronograph is the exclusive omega co axial calibre 3330crystal flat scratch resistant sapphire crystal with anti reflective treatment on both sidescase steeldial blackwater resistance 10 bar 100 metres 330 feetsize 424 x 462 mmcaliber omega 33