The DX3 Compass offers classic design, a U.S. Patented durable fiber reinforced Uni-Body case and packed with performance features... including an R-TYPE hardened mineral glass crystal, offset ergonomic crown, long lasting precision movement, 3 year battery, U.S. Patented heavy-duty B-TYPE nylon webbing band, and Swiss super luminous hands & markers. Equipped with a removable high quality liquid filled, assembled in USA, compass.