Isobrite Valor ISO313 Black-Yellow Watch | Polyurethane Luminox Featuring navigation

Featuring navigation

Heart rate limits

Please read the installation instructions

For the ultimate convenience

Isobrite Valor ISO313 Black-Yellow Watch | Polyurethane Luminox Featuring navigationIsobrite is the world's first T100 tritium illuminated lightweight polycarbonate watch. Unlike ordinary tritium watches that use T25 tritium illumination, the Isobrite watch uses ultra bright T100 tritium illumination. This makes it 4 times brighter than the competition. The Isobrite Valor Watch features a lightweight polycarbonate face with a sapphire crystal protecting a metallic colored face with matching tritium illumination and crown, all on a