Isobrite Valor ISO306 Black Watch | Silicone Color:Black Washers: Phosphor bronze

Washers: Phosphor bronze

Color: Maplewood / Green Sandalwood

and a matte finish on the case and band

The innovative heart rate sensor monitors changes in blood flow by shining light through the skin to detect changing reflections

Isobrite Valor ISO306 Black Watch | Silicone Color:Black Washers: Phosphor bronzeIsobrite 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 ISO306 Valor Watch features a lightweight polycarbonate face with a sapphire crystal protecting a black colored face with matching tritium illumination and crown, all on