My favorite is the compass that I have used professionally for nearly 50 years, a Silva Ranger. It can be preset for declination, has a sighting mirror and a base useful for plotting and taking bearings. It has a metal case, a plexiglass base plate and is liquid-filled. It still has not acquired any bubbles. The only thing about it I don't like is that it is a little heavy plus it is graduated in quadrants rather than azimuth. But quadrants were what we used back in those days.

I carry a Silva Guide on my trips now because it is lighter, has a mirror and useful base plate. But it is nowhere near as accurate as my old Ranger and it is not even close to the quality; I'm now on my third Guide. But for what I do now it serves adequately and is two ounces lighter.