Introducing the Luminox Tritium Black/Sand Atacama 43MM Field Watch This Atacama Field 1970 watch is inspired by its namesake, the Atacama Desert. The design with a dark green dial with textured finish and sand hour numbers evokes the terrain and rugged landscape of the desert. The timepiece presents a large dial that displays the 12- & 24-hour clock, along with a red tipped second hand and red arrow next to the date at 3 o’clock for instant readability. The dial is protected by sapphire crystal with anti-reflective coating. The 43 mm CARBONOX™ case is matched with a black rubber strap. SKU: XL.1971.SET 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™ black ?? Caseback: Stainless-steel case back ?? Diameter: 43 mm ?? Thickness: 14mm ?? Water Resistance: 100 meters / 330 feet / 10 ATM CROWN & GLASS ?? Crown: IP black with logo, crown protection ?? Glass: Sapphire crystal with anti-reflective coating STRAP ? Strap: Packaged as a set with two straps: (1) Black rubber strap with black textile on top (tone in tone stitching), (1) tan webbing NATO strap ?? Buckle: CARBONOX™ signature buckle ?? Lug Width: 23mm