Ritchie Navigation Sport Marine Compass Color:Black & Black With the patented diffuser plate

With the patented diffuser plate you don't have to worry about hot spots

Dielectric Coating: Multi-layer prism coatings provide bright

GPSMAP® 4008

If boating alone

GPSMAP® 78sc

Ritchie Navigation Sport Marine Compass Color:Black & Black With the patented diffuser plateAll Ritchie compasses are built with ultra lightweight dial assemblies. Therefore, we don't need to use heavy fluid to artificially dampen the movement. Our compasses are filled with a highly refined, very low viscosity dampening fluid which allows the dial to move smoothly within the bowl and lock on to magnetic north faster than other compasses. Ritchie's Dampening Fluid is also refined for brilliant, optical clarity. Easy to Install on Windshield