A full service instrument shop specializing in marine compasses, weather instruments, spotting scopes, binoculars, telescopes, clocks, barometers, custom weather stations. Our service department is unmatched in the fields of compass repair, clock and barometer repair.

Our most popular yoke-mounted steel-boat compass for commercial vessels, Features a large 5" dial with a choice of 2 Degree, 2 Degree with Points or 5 Degree graduations. Hardened Steel Pivot and Sapphire Jewel Movement for smooth rotation. Built-in compensators as well as large quadrantal spheres for inter-cardinal compensation. Choice of 12, 24, or 32 Volt Night Lighting. 90 Degree Lubber Lines for Easy Reading. 100% Repairable. Exclusive 5-Year Ritchie Warranty Approx. Shipping Weight: 24 lbs YB-500Regular price: $1,290.00Sale price: $799.00Dial: 5 Degree2 Degree2 Degree with Points Lighting: 12 Volt24 Volt32 Volt 5" Dial ChoicesChoose 5 degree, 2 degree with points or 2 degree graduations. dial5