Luminox Bear Grylls Survival Master 3740 features an ultra-rugged 45mm CARBONOX™+ case and unidirectional bezel make this watch extremely lightweight. Special features include a Morse code SOS reminder on the dial, a detachable compass on the dark gray rubber strap and 300m water resistance. The impressive 18 Luminox Light Technology tubes allow the wearer to easily read the time in any light conditions for up to twenty-five years. Bear's motto "Never Give Up" is engraved in orange on the case back next to his signature.