Edox Hydro-Sub Diver's Stainless Steel Black Dial Automatic 801283NBMNIB 80128 3NBM NIB 300M Men's Watch Edox Hydro-Sub returns from a six decade long hibernation to full glory with a Chronometer certification this time. It is a new design, stuffed with improved smarts - the screw-down crown and the double O-ring seal especially - have been retained and perfected suitable for the new millennium. The timeless Hydro-Sub still shows effortlessly through its new incarnation, on its way to become the Water Champion of the modern times as well.