Zodiac ZMX Men's ZO8558 Special Ops Stainless Steel Watch with Black Rubber Band Black stainless steel watch featuring textured center dial with chronograph functions and screw-down crown and locking pushers with bright orange knurl edges 50 mm stainless steel case with synthetic sapphire dial window Swiss quartz movement with analog display Rubber band with deployant buckle closure Water resistant to 100 m (330 ft): In general, suitable for swimming and snorkeling, but not scuba diving