There's a problem loading this menu right now. The compass dial is in both mils and degrees, and as the military uses mils, the mils scale is placed on the outside circumference of the dial, while the degree scale is in red ink and relegated to second place on the inside, with only five-degree increments or markings — a dial you'd expect on a $10 compass, not one costing $50 or more. Spent the $70 to get a high quality compass, instead I got another made in China cheap piece of junk. This compass was a birthday present for my son. The downside to tritium is that is has a half-life of approximately 12 years, meaning that if 25 years go by before you pass this compass down to your child, it likely won't give off a glow any more. It comes with a set of instructions to help you understand how to orient a map, determine bearings, and even derive distances. It is much more than most people need. Tritium Military Watch CAM6600 Keep Time Like No Other. What happens is that when the compass is dropped on something hard, like rock or concrete, the pivot tends to bend, throwing off accuracy, which is only + or - 2.25 degrees to begin with. Because the interior is filled with ordinary air instead of an inert gas like your fogproof binoculars or rifle scope. I like the compass, but I'm extremely dissatisfied with the Cammenga. Updated However, if you really want the most dependable, accurate and tough personal compass this is it. However, if you're going to navigate in situations that could end up being survival situations, spring for the 3H. Or you could use the mils scale and convert each and every azimuth (bearing) you take back into degrees for the benefit of your companions (all of whom will have degree scale compasses). I had some poor quality compasses before and this time for me quality had to be very important. 4 stars for accuracy and occasional pivot point/card slip, but for the $, it's great. NOT Military grade! Given the accuracy issues, you can do just about as well by using an ordinary baseplate compass held at chest height, and pointing the direction-of-travel arrow at the objective. By this method, you will reach your destination without fail. I don't know how this defective garbage gets dumped onto the US economy these days; there were once retail standards in America. It is chipping off on the corners. If you have a map telling you the specific direction in which you must travel to reach your destination, all you have to do is swap two of the steps. Beware of Amazon and eBay knockoffs. As a cavalry scout the ability to have excellent land navigation skills is a must. It falls upon us, then, to have the tools to find our own way, and a lensatic compass, often paired with a good map, is the best way to accomplish this. The baseplate was broken from a few drops, while the Cammenga was with us throughout the walks and has helped us back to the main camp. It also analyzes reviews to verify trustworthiness. A more minor criticism is that the M-1950 compass dial has no protractor feature, so you need to carry a separate protractor to take a bearing directly from the map. Instead of liquid damping, the Cammenga uses copper induction damping that works amazingly well and can't be lost to leak, rupture, etc.--as happened to my old Silva Ranger that I bought this to replace.