Suunto M-9 Luminous Northern Hemisphere Wrist Sighting Compass. Made in Finland. Sapphire bearing. Liquid damped. Aiming foresight and rear sighting window displaying bearing readout. Luminous compass card including sighting window display readout for night/low light operation. Adjustable rotating direction indicator with north arrow pointer and cardinal markers, knurled bezel edge for assisted grip and ratchet mechanism for holding set indicator position. Waterproof – insensitive to water pressure. Fully adjustable black Velcro wrist-strap threads through two fixed securing lugs. Scale: Degrees. Measurements: 41 x 47 x 14 mm / 1.61 x 1.85 x 0.55 ". Weight: 16 g / 0.56 oz. Accuracy: +/- 5°. Operating temperature: -30° C to +60° C / -22° F to +140° F. NATO Stock Number (NSN): 6605-01-543-8145, 6605-58-000-0975.