ANDROID Men's AD650AGK Hercules Self-Wind Black Ceramic Watch Round watch featuring numbered bezel, luminous hands/indices, and skeleton window at 6 o'clock 50 mm ceramic case with anti-reflective sapphire dial window Automatic self-wind movement with analog display Three-link ceramic bracelet with deployment push-button clasp 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