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.