New unworn 2025 at an amazing discount from retail.  2 Year Hamilton Warranty starting from September 2025.
 
Aviation Chronograph Automatic Black Dial Men's WatchItem No. H76726530
 
Advanced technology for the sophisticated aviator. Calculate critical conversions and metrics at a glance with the Khaki Aviation Converter Auto Chrono’s bi-directional, rotating slide-rule bezel. This high-performance tool converts units, such as feet to meters or miles to kilometers, and currency. Add in the H-21-Si automatic chronograph movement with its superior anti-magnetic silicon hairspring and this stylish 44mm pilot’s watch has everything you need for your next adventure in the sky.