ProTek 3100 Titainum USMC Field Watch 40mm Case Diameter Black Strap Sand One Size. A highly effective timepiece will keep extremely precise time which means that your appointments will almost always be held. Because of the ProTek 3100 Titainum USMC Field Watch finding a top quality time piece has never been simpler. In an effort to ensure you are sporting a watch that will not let you down these Men's Watches from ProTek are made by using precision components that will keep more efficient time than timepieces constructed using second-rate components. ProTek has been producing the highest quality wrist watches for a very long time and the ProTek 3100 Titainum USMC Field Watch is the immediate end result of their commitment to your punctuality. Should you be looking for the most suitable option to improve your punctuality choose the ProTek 3100 Titainum USMC Field Watch. Specifications for ProTek 3100 Titainum USMC Field Watch: Manufacturer: ProTek Size: One Size Application: All Purpose Gender: Male Illumination Color: None Battery Type: 377 Case Material: Titanium Case Diameter: 40 mm Wrist Band Type: Bracelet Movement: Japanese Quartz Illumination Type: Tritium Water Resistance Level: Water Resistant Water Resistant Mark: 100 m Features of ProTek 3100 Titainum USMC Field Watch Titanium Screw-in Embossed Signature USMC Emblem Caseback Titanium Crown with Multiple O-rings Sapphire Crystal with Antireflective Coating (for glare-free viewing) Dependable Japanese Citizen/Miyota Super 2035 Quartz 3-Hand Movement (with 4-year battery) Swiss Self-powered Pro-Glo T100 Illumination System Glows Continuously for 25 Years (no need to be "charged" by an external light source and glows 100X time brighter than conventional photoluminescent lume systems) This series uses the largest tritium tubes available for enhanced night glow lume Package Contents: ProTek 3100 Titainum USMC Field Watch Warranty Instruction Booklet ProTek 3106: 3100 Titainum USMC Field Watch 40mm Case Diameter Black Strap Sand One Size