Brand New Authentic Hamilton Khaki Aviation X-Wind chronograph men's watch with blue dial, leather strap and sapphire crystal. Features include: brushed/polished stainless steel case, fixed bezel, luminous silver tone hands, Arabic numeral hour markers, minute markers around outer rim, day/date sub-dial at 9 o'clock position, 3 additional sub-dials, screw-down crown, Swiss automatic mechanical movement (Caliber H-21), chronograph function with 60-hour power reserve. Round case shape, size: 44mm, thickness: 15.60mm, see-through case back. Water resistant to 100 meters / 330 feet.