Marathon Search and Rescue Divers Automatic Wristwatch GSAR No Markings Black. These Men's Watches from Marathon have tubes of tritium on the hour markers hour hand and minute hand for dependable softly glowing illumination that will last for 25 years. The Marathon Watch General Search & Rescue Watch was designed to be used by divers with an extremely scratch resistant sapphire crystal that ensures the dial is readable both deep under water and in bright daylight. Combining military toughness with Swiss craftsmanship the Marathon Watch GSAR Waterproof Illuminated Watch is ideal for all kinds of hunting and outdoor adventures. Specifications for Marathon Search and Rescue Divers Automatic Wristwatch GSAR: Manufacturer: Marathon Application: Search and Rescue Gender: Male Dial Color: Black Band/Strap Color: Black Case Material: 316L Surgical-Quality Stainless Steel Case Diameter: 41 mm Bezel Finish: Black Band/Strap Material: Vulcanized Rubber Wrist Band Type: Strap Water Resistant Mark: 1000 ft Condition: New Country of Origin: Switzerland Age Group: Adults Features of Marathon Search and Rescue Divers Automatic Wristwatch GSAR: Designed for use by Search and Rescue divers and issued to the United States Marine Corps. Worn by troops in Iraq and Afghanistan. Also known as the Government Search and Rescue (GSAR). Self illuminated 24/7 tritium gas tubes on all hands and at each hour position on dial last for up to 25 years. Bezel triangle at 12:00 position uses MaraGlo paint for low light viewing. Hour positions indicate both military time and standard time. Easy set date function. Water resistant down to 30 ATM: 300 meters (1000 feet) underwater. Sapphire crystal is scratch resistant and ensures that the dial can be read under direct sunlight or deep under water. Durable vulcanized rubber strap. Package Contents: Marathon Search and Rescue Divers Automatic Wristwatch GSAR Marathon WW194006SS-0130: Search and Rescue Divers Automatic Wristwatch GSAR No Markings Black