Marathon WW194014 CSAR Swiss Made Military Issue Chronograph Pilot Automatic Watch with Tritium MIL-SPEC: Built to Government specifications for use by military personnel. Fulfills Nato Stock Numbers 6645-01-544-0408 and 6645-20-002-8253 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 CHRONOGRAPH MOVEMENT: 25 Jewel Swiss made Valjoux 7750 self winding mechanical chronograph 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!