Traser P67 Super-Sub 500 Meter TRITIUM Professional Dive Watch, Black Dial 109378

The Traser P67 Super Suub is the new Flagship model of the legendary Traser Watch Collection. Entirely Swiss Made and incorporating Traser's own Trigilight self powered illumination system, it has instantly become our very best selling watch collection. THE TECHNOLOGICAL BACKGROUND: The difference between the standard 200 meter Water Resistant Dive Watch and a true professional Dive Watch capable of deep depth diving is monumental. The stress and pressure on the watch at 500 meters will destroy an average watch. Water pressure is 743psi and that affects the crystal, case, bezel and every seal. Building a watch that can return to the surface from that depth is an even bigger challenge. Internal pressure will pop a crystal off the watch with obvious damage to the crystal and case. The seals may also break or leak due to helium gas buildup. In addition to an extra strong design a helium release value is necessary. Traser has decided to build such a watch combining their self-powered Triga