In black, the Oris Aquis Date 43.50 mm is the definitive sports watch. Refined and yet high-performing, it’s a modern versatile classic, backed up by water resistance to 30 bar (300 metres) and a uni-directional rotating bezel with a ceramic insert.In black, the Oris Aquis Date 43.50 mm is the definitive sports watch. Refined and yet high-performing, it’s a modern versatile classic, backed up by water resistance to 30 bar (300 metres) and a uni-directional rotating bezel with a ceramic insert.