Luminox Deep Dive Automatic 1520 Series Men\'s Watch XS.1521 Designed in conjunction with global counter-terrorism expert and underwater explorer Scott Cassell, the Luminox Deep Dive Automatic series is packed full of the kinds of features that Recon divers find essential. These include a highly robust 316L steel case, a professional-grade uni-directional rotating diver\'s bezel, a patented bezel locking device that also serves as a crown protector, and a stunning 500 metres of water resistance. As well as this, the series also features a superb combination of two cutting edge dial illumination technologies - Luminox Light Technology and Super-LumiNova indices. All in all, this results in an ISO 6425 certified diving that can function at serious depths.   SKU XS.1521 Family Deep Dive Automatic Movement Swiss Automatic Dial Colour Black Case Size 44mm Case Material 361L steel Case Back Screw on caseback Crown Screw in crown Glass Hardened mineral crystal Bezel Professional grade uni-directional rotating Strap Type Silicone strap Strap Material Silicone Bezel LLT Orange LLT on Dial 12H Orange LLT on Dial 1-1 1H Ice blue LLT on Hour Hand Ice blue LLT on Minute Hand Orange LLT on Second Hand Ice blue Illumination Night Vision Tubes (25 Years) Guarantee 2-Year Manufacturer’s Water Resistency 500m Power Reserve 38 Hours Movement Calibre Sellita SW220-1