42 mm yellow gold case with anti-magnetic protection and helium escape valve, transparent back, black ceramic bezel with an OMEGA Ceragold diving scale, domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides, spiral-brushed black ceramic dial domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides, Calibre Omega 8807 self-winding co-axial master chronometer movement, approximately 55 hours of power reserve, black rubber strap. Water resistant to 300 metres (1000 feet).