Swiss Legend Men's 30427-BB-01-SA Airbourne Black Stainless Steel Watch with Silicone Band Black stainless steel watch featuring logoed dial with date window and luminous, oversized markers 50-mm stainless steel case with synthetic-sapphire dial window Swiss quartz movement with analog display Silicone band with buckle closure Water resistant to 100 m (330 ft): In general, suitable for swimming and snorkeling, but not scuba diving.