Isobrite ISO503 Stainless Steel Master Diver Series Watch with NBR Band

$477.00

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Dive deeper to 300 meters and enjoy the water sports with this handsome dress watch you can leave on to conquer the night. This watch commands respect for its unique design, functionality and accuracy.

Tritium Illumination: Dial has eleven green T100 tritium tubes, one orange T100 tritium tube. Each hand has a green T100 tritium tube and two of the hands have green luminous paint (arrow shaped). Bezel has one green T100 tritium tube, five circle shaped luminous paint dots and one arrow shaped.

Why do T100 watches last so much longer than T25 watches?

The Isobrite T100 watches contain approximately four times the amount of tritium gas as the T25 watches do. The higher volume of tritium gas results in a much brighter visible illumination combined with a much longer life span of illumination. The Isobrite T100 watches will have a life span that is approximately twice as long as the T25 watches. Plus, at 25 years the T100 watch will have the same visible illumination that the T25 watch started out with. By that point the tritium in a T25 watch would have become fully decayed and barely visible. On the other hand, the T100 watch will continue to glow for approximately 50 years.

Armourlite warranties only watches purchased from an authorized Amazon dealer.
  • T100 illumination lasts up to 50 years, which is double the life of a standard T25 tritium watch
  • Anti-Reflective Scratch-Resistant Sapphire Crystal
  • Stainless Steel Case, Nitrile Butadiene Rubber (NBR) Band
  • Unidirectional Bezel with Tritium Marker
  • 10 Year Lithium Battery