Introducing the Luminox Tritium Tan Bear Grylls Survival 43MM Watch Crafted for long expeditions and inspired by survival legend Bear Grylls, the XB.3717 watch is your ultimate field companion. The sleek 43mm case is made of ultra-lightweight ALUMI-NOX, an aerospace-grade aluminum which offers exceptional strength, anti-corrosion protection, and anti-magnetic precision. The sand-blasted texture of the sand coloured dial boosts readability while a date window offers added functionality. Swiss Made and water-resistant to 100 meters, the watch features a scratch-resistant sapphire crystal, Swiss Quartz movement and the signature Bear Grylls design elements including the orange crown, his iconic logo at 10 o’clock and his Never Give Up mantra engraved on the case back. The Luminox Light Technology with 14 light tubes ensures constant visibility day or night making this a perfect watch for those who love to explore the outdoors. SKU: XB.3717 TECHNICAL INFORMATION ?? Movement: Ronda 515, Swiss Quartz ?? Battery Life: 50 months ?? Illumination: Constant glow for up to 25 years in any light condition ?? Bezel: CARBONOX™, Fixed CASE ??? Material: CARBONOX™ tan ?? Caseback: Stainless-steel case back ?? Diameter: 43mm ?? Thickness: 14mm ?? Water Resistance: 100 meters / 330 feet / 10 ATM CROWN & GLASS ?? Crown: Orange with logo, screw-in crown protection ?? Glass: Sapphire crystal with anti-reflective coating STRAP ? Strap: Gray rubber strap with black textile on top (tone in tone stitching) ?? Buckle: CARBONOX™ signature buckle ?? Lug Width: 23mm