Cammenga
Cammenga is the exclusive manufacturer of the official U.S. Military Lensatic Compass. Battle tested - shock, water and sand proof and functional from -50ºF to +150ºF. Seven Tritium Micro Lights allow for navigation in low-light conditions. Copper induction damping system slows the rotation of the magnet without the use of liquids. The Cammenga compass is depended on by U.S. fighting forces and adventurous outdoor enthusiasts all over the world.

Victorinox