Round watch featuring tachymeter markings at outer dial ring, luminous hands/markers, and magnified date window at 4 o'clock Additional features include three chronograph subdials 42 mm stainless steel case with antireflective-sapphire dial window Swiss quartz movement with analog display Croc-embossed leather calfskin band with buckle closure Water resistant to 200 m (660 ft): In general, suitable for professional marine activity and serious surface water sports, but not scuba diving.