Hamilton Khaki Aviation Pioneer Mechanical 40mm H76409530 with hand-wound mechanical movement, 60-hour power reserve.

The H-51-Si caliber is special in that it features the anti-magnetism silicon balance spring. Chronograph functions for seconds and small seconds. Date function absent.

The 40 mm diameter steel case is water resistant to 10 bar/100 meters. Distance between the lugs of 22 mm.

Brown cowhide leather strap with visible stitching, 22 mm wide buckle.

Anti-reflective, scratch-resistant sapphire crystal, slightly domed.

Black dial with two smaller dials for small seconds functions. Glow-in-the-dark indexes.

Watch accompanied by official Hamilton box and 2-year warranty.