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. Systematically tested to go 25 per cent deeper.