Excellent+++ condition Marathon Search and Rescue (GSAR) Diver's watch rated to 300 m (1000 ft).  "The Marathon Diver’s Automatic is a dive watch built to ISO 6425 standards. Designed for use by Search and Rescue (SAR) divers, and issued to the United States Marine Corps, the Diver’s Automatic is a watch built to withstand the most extreme of conditions The Diver’s Automatic is also known as the Government Search and Rescue (GSAR).  The Diver’s Automatic is a dive watch water resistant down to 30 ATM – 300 meters (1000 feet) underwater. Built from 316L surgical grade stainless steel, the Diver’s Automatic is a high quality, purpose built watch that will reliably accompany you on any adventure you may embark on. The Diver’s Automatic uses a scratch resistant, sapphire glass crystal to ensure that the dial can be read even under direct sunlight, or deep underwater.  The Diver’s Automatic is made in La Chaux de Fonds Switzerland to guarantee the highest level of quality and accuracy in manufacturing. Inside the Diver’s Automatic is a Swiss made, 25 jewel ETA 2824-A2 automatic movement, the Diver’s Automatic guarantees you a reliable and accurate timekeeping experience. The Diver’s Automatic uses self contained Tritium gas tubes to ensure constant visibility in low light situations, a gas tube is placed on each hour marker and hands and uses MaraGlo for the 12 hour bezel marker. Tritium tubes are self illuminating gas tubes which contain an isotope of hydrogen, meaning they will not dull down in brightness like normal photo-luminescent paint which requires an external light source to create a glow."Bought new by me and used sparingly.  Watch comes with papers, box, original vulcanized rubber strap, Marathon stainless steel bracelet (see photo) and an additional steel bracelet (on watch: see photos).  This is a terrific watch.  Bid with confidence (see my feedback).