The iconic divers’ watch since 1953.Probably the only divers’ watch you can wear with a tuxedo.An indispensable instrument to securely monitor diving time and decompression stops.Fitted with a case back and a Triplock winding crown, which screw down securely like the hatch of a submarine.Rated waterproof to 300 metres. 6. Systematically tested to go 25 per cent deeper.The Rolex Way.