Compass Ritchie Helmsman HF-743

• 3 3/4" CombiDamp Dial
• Easily Installed, Fits 4" (10.16 cm) Mounting Hole.
• Exclusive Built-in Green NiteVu Night Illumination
• Built-in Compensators to Easily Adjust for Deviation
• Scientifically Matched Sapphire Jewel and Hardened Steel Pivot Dial Movement
• Powerful DirectiveForce Magnets for Fast Heading Lock-on
• Movable Sun Shield
• 45 Degree Lubber Lines
• High Temperature Composite Construction for Extended Operating Range