The Ritchie B-51 Explorer is a compact bracket-mount compass built for reliable heading readings on small powerboats and sailboats. Its sapphire jewel and hardened steel pivot movement pairs with powerful DirectiveForce magnets for quick, stable lock-on, while built-in compensators let you correct for deviation without removing the unit from its mount.

Specifications:

• 2 3/4" (70 mm) direct-reading dial
• Adjustable and removable bracket mount with thumbscrews
• Internal green night illumination (standard 12V; 6V and 24V options available)
• Built-in compensators for deviation adjustment
• Scientifically matched sapphire jewel and hardened steel pivot dial movement
• Powerful DirectiveForce magnets for fast heading lock-on
• Movable sun shield
• High-temperature composite construction for extended operating range
• 100% repairable
• Exclusive 5-year Ritchie warranty
• Approx. shipping weight: 1 lb (454 g)