This Rolex Yacht-Master is designed with a 42mm RLX-titanium case and black dial. styled on a matching titanium Oyster bracelet. Luminous hour markers. hands. and a Chromalight display provide clear legibility in every circumstance. Complications include a bidirectional 60-minute bezel. stop-time keeping. and water resistance up to 100 meters. The RLX Titanium material is ultra light and resistant to corrosion - which is perfect for extra-long dives and a lifetime of wear.