The Sea version comes in a 42mm CARBONOX case, water resistant to 200 meters. The uni-directional turning bezel has a special diving zone count up marking, set off by a different colour (blue or orange) for easy reading. The screw-down crown has an orange crown ring, for better grip, and the colour matches the markings on the bezel and the minute and second hands (one of the most visible colours for underwater work). Luminox announced its historic partnership with Bear Grylls, theworld’s most recognized face of survival and outdoor adventure and is rolling out the full Luminox X Bear Grylls collection.All these watches have features exclusively specified by Bear Grylls to make them useful to him and other adventurers. The Bear Grylls Survival Collection consists of watches for every Luminox environment – Sea, Air and Land. Of course, all the models feature Luminox LLT technology so that the watch is visible in any lighting conditions and will remain visible for up to 25 years.