These Suunto MC1 series Compasses are USGI brand new. Adjustable declination correction Liquid filled capsule for stable operation Mirror for sighting bearings and signaling notch for accurate bearings Luminescent markings for working in low light Mirror Compass, lanyard with wristlock and declination correction tool, Suunto limited lifetime warranty Made in Finland Most important these measure in MILS Way more accurate than degrees! NSN 6605 01 396 7524