Marathon WW194006 GSAR Swiss Made Military Issue Diver's Automatic Watch with Tritium Imported MIL-SPEC: Built to Government specifications for use by military personnel. NATO Stock Number 6645-21-558-0133 engraved on case back TRITIUM GAS TUBES: Self illuminating tritium gas tubes glow with no need to be charged by an external light source. SEARCH & RESCUE: Designed for Search And Rescue missions at sea, water resistant to 300 meters (1000 feet) underwater. AUTOMATIC MOVEMENT: 25 Jewel Swiss made ETA 2824-2 self winding mechanical movement. Submersibility: 30ATM SWISS MADE: Marathon watches are proudly made in La Chaux de Fonds, Switzerland since 1939. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!