43.5 mm steel case with anti-magnetic protection and helium escape valve, transparent back, polished blue ceramic [ZrO2] dial and unidirectional bezel, domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides, polished blue ceramic [zro2] dial and unidirectional bezel, Calibre Omega 8900 self-winding chronometer movement with date, approximately 60 hours of power reserve, blue rubber strap. Water resistant to 600 metres (2000 feet).