Designed to celebrate James Cook’s solo dive, this divefrom Rolex, comes with a magnificent water resistance of up to 3,900 meters. The most beautiful feature, is undoubtedly the two-colour gradient dial, that turns gracefully from a brilliant blue on top to a bottomless black as you go down. It boasts the unique oyster steel, with an excellent resistance to corrosion, that has been liberally used in the case as well as the bracelet of this Sea dweller. Power packed with the calibre 3235, the has a reserve of about 70 hours. The 44 mm has a titanium case back with screw-down crown and unidirectional rotating bezel, all inside the scratch resistant sapphire crystal.