The Suunto Clipper Compass is widely considered the best liquid filled button compass on the market. This Compass has been all over the world and has stood up to hard use. All of the S.E.R.E (Survival Evasion Resistance and Escape) Compass's unique demands are checked off by the feature rich compact design. Suunto is the preferred brand and trusted by military and survival professionals alike. The one-way clip securely attaches to watch bands, lanyards, maps, backpacks and many other items. The movable bezel ring with audible clicks allows for precise navigation; not just crude direction. This indispensable compass fits in the smallest survival kit, with no noticeable weight increase. The luminous print allows for improved low light navigation and does not deteriorate night vision like using a flashlight. The convenience of having it clipped to a watch band means having your hands free for walking and completing complex tasks while traversing difficult terrain. The generous lifetime warranty from Suunto; Makes it an excellent choice with an array of high-tech features.