Technomarine Men's TM-614001 UF6 Stainless Steel Watch with Black Band Black ion-plated stainless steel watch with textured dial featuring chronograph functions and date window at six o'clock 45 mm stainless steel case with anti-reflective sapphire dial window Swiss quartz movement with analog display Silicone 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