Luminox Watch Bear Grylls Survival GMT XB.3761. This 45 mm stainless steel GMT Luminox timepiece is equipped with a Fabric strap and features a bold black dial. The distinctive orange-tipped GMT hand indicates the second time zone on the 24-hour inner ring, allowing for easy adjustment and readability of other time zones on the CARBONOX bi-directional turning bezel with an aluminium ring inlay.