The polished blue bi-directional rotating bezel is compelete with a vibrant orange GMT scale and helium-escape valve at ten o'clock on the situation. Its brilliant dazzling blue glow is richer and lengthier-Long lasting when compared to the environmentally friendly glow of Super-LumiNova. Clear caseback Transparent caseback A transparent caseback - https://www.watchesworld.com/top-10-dive-watches/