MARATHON WW194003 General Purpose Mechanical (GPM) Military Field Watch with Tritium MIL-SPEC: Built to Government specifications for use by military personnel. Fulfills Nato Stock Numbers 6645-00-066-4279 and 6645-01-304-4308 TRITIUM GAS TUBES: Self illuminating tritium gas tubes glow with no need to be charged by an external light source. FIELD WATCH: Designed for general infantry. Features a lightweight high impact fibreshell case and sapphire crystal. AUTOMATIC MOVEMENT: 24 Jewel NH35 self winding mechanical movement. Submersibility: 3ATM 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!