Traser P67 Super-Sub 500 Meter TRITIUM and Super-Luminova Dive Watch, Blue Dial, Rubber Dive Strap 109374

  The Super-Sub Blue Series has the unique feature of dual dial illumination with both T25 Tritium and Super-Luminova as you can see in the picture above.  Featured here is the sku# 109374 with Traser's new heavy duty Rubber Dive Strap.  There are three different model choices available and all are listed belowlisted below. 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