Various flavors to choose from, check back often for new models... 1. Mini button "dry" compass Aluminum case, glass top. The plus: Won't freeze. The negative: relatively cheap, great for small kits and back-up. 16mm diameter 2. Mini liquid filled compass .75'' in diameter, durable for a back-up compass on a budget 3. Watch compass Great quality for the cost! work well and are liquid filled, with a watch band. 4. Mini high grade "SERE" style compass American made and excellent quality for the cost. Illuminated dial, brass case, an ACW favorite for sure. Also a popular military survival kit compass. Overall Height: 0.213 inches nominal Overall Diameter: 0.75 inches nominal Case Material: Machined Brass Crystal Type: Acrylic Instrument Type: DRY (will not freeze or develop bubbles) 5. A grade, SUUNTO MC-2 Measurements 65 x 101 x 18 mm / 2.56 x 3.98 x 0.71 " Weight 74 g / 2.61 oz Bezel material: Plastic What's in the box? Suunto MC-2 NH Mirror Compass, lanyard with wristlock and declination correction tool, Quick-release, Quick Guide High grade steel needle with jewel bearing Balanced for northern hemisphere Adjustable declination correction Liquid filled capsule for stable operation Mirror for sighting bearings and signaling Sighting hole and notch for accurate bearings Clinometer Luminescent markings for working in low light Metric UTM scales and inch ruler Baseplate with magnifying lens Detachable snap-lock lanyard with wristlock. Easy to detach for working with the map Suunto limited lifetime warranty Made in Finland