The Time Concepts ProTek Dive Series 1004O is a high-end and ultra-durable quartz diving watch that features a Water-Resistance Rating of up to 300m, all while also boasting an impressive 10 Years Battery plus a self-powered ProGlo Swiss Illumination technology that provides a non-stop continuous glow for its watch hands and dial numbers for up to 25 years. Built with both versatility and durability in mind, this amazing diving watch is simply one of the best models that you can currently find available.