The Marathon GSAR 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) and is available with or without US Government dial or in a special United States Marine Corp (USMC) edition.
The Marathon GSAR Diver’s watch is water resistant down to 30 ATM – 300 meters (1000 feet) underwater. Built from 316L surgical grade stainless steel, the watch is a high quality, purpose-built watch that will reliably accompany you on any adventure. It uses a scratch resistant, sapphire glass crystal to ensure that the dial can be read even under direct sunlight, or deep underwater.
Marathon GSAR similar to original SAR
This is similar to the original SAR except the dial utilizes the revolutionary tritium glass vial illumination system. The movement is a Swiss made 25 jewel ETA 2824-A2, which guarantees you a reliable and accurate timekeeping experience. The crystal is sapphire – 2.8mm thick x 30.50mm diameter. The case is cut from solid 316L stainless steel and is approximately 46.0mm in diameter. The unidirectional bezel diameter is 41.10mm and case height is 13.85mm.
The steel back has full military markings engraved on the case back, including Nato Stock Number 6645-21-558-0133. The screw down crown has deep knurling. The total weight of the watch head is 93.1 grams. Supplied with black Swiss made 20mm military natural rubber strap. This newest version of the SAR has been improved over previous versions: it features the aforementioned natural rubber strap, a 25 jewel ETA 2824-A2 engraved with Marathon Watch Co. and an improved 120 click uni-directional rotating bezel.
Marathon GSAR: Swiss made with Tritium illumination
The Diver’s Automatic is made in La Chaux de Fonds Switzerland to guarantee the highest level of quality and accuracy in manufacturing.
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.
Check out the photos of this watch next to a Rolex Submariner for size comparison.
The Marathon GSAR comes with a full 2-year manufacturer’s warranty as do all Marathon watches purchased from an authorized retailer such as Windy City Watch Collector.
This watch combines Military toughness with Swiss craftsmanship in a watch that will get the job done, and look good doing it for many years!
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