This solid brass Medium-Sized Pocket Compass is standard pocket watch size but still fits easily in your pocket. It has a small lever on the side of the compass that operates a needle lift mechanism to protect the compass bearing. The compass is the diameter of a standard pocket watch, Size-Compass: 50mmX18mm, Leather Case:2.5×2.5x1inches.. This compass is beautifully crafted from solid brass. BRAND-MAH