Ritchie S-53 Explorer Marine Compass, Surface Mount - Black The Ritchie Explorer Marine Compass is a black compass featuring an easy to read Direct-Read dial. Direct-Read dials allow you to see the compass heading and lubber line from directly in front. Ritchies Explorer compasses have built-in compensators. These compensators are non-interactive magnets that are balanced and optimally spaced for accurate correction. Explorer Compasses utilize Directiveforce Magnets, which provide superior accur