Marathon Watch has been building precision Swiss-made military timepieces since 1939. Today, modern-day engineering and craftsmanship result in some of the world's highest-quality watches. The Marathon General Purpose Quartz is a highly accurate watch built to strict military standards under MIL-PRF-46374G, Type I, Class 1. Made from a highly durable fibershell case, water-resistant up to three atmospheres (30 meters, 100 feet) and powered by a Swiss-made, high-torque, three-jewel ETA F06 Quartz movement. The GPQ combines military durability with Swiss craftsmanship to provide an accurate timepiece that will satisfy you for years of daily use.