Authentic Hamilton Khaki Aviation QNE Auto movement men's watch model H76655723. 42mm stainless steel case with scratch-resistant sapphire crystal and fixed bezel. Silver dial features a grey leather strap equipped with a tang clasp. Automatic self-winding mechanism with screw down crown. Water resistant to 50 meters (165 feet) depth. Comes with transparent case back and includes a WatchMaxx warranty for two years.