Stay stylish whilst taking on the most extreme adventures, this Certina DS Action Aqua Men\'s Watch is COSC-certified ready for all your diving trips. At A Glance  Presented on a stainless steel bracelet with fold over clasp and divers extension 43mm case size with 300m water resistance Green dial with green aluminium rotating bezel White index and Arabic hour markers with date window at 6 o\'clock Scratch resistant sapphire crystal glass with antireflective treatment on one side Screw down crown, pushers and case back Powered by a Swiss quartz movement COSC certified