Hamilton Khaki Aviation X-Wind Auto Chrono

The Hamilton Khaki Aviation X-Wind Auto Chrono, reference H77906940, is a chronograph with a 45 mm steel case water resistant to 100 metres. The blue sunray dial has a day-date display beneath sapphire, with an inner rotating bezel. Self-winding calibre H-21-Si retains a 60-hour power reserve and uses a silicon balance spring. The 14.85 mm-thick case has a screw-down crown, a see-through case back and 22 mm lugs for a textile strap with a pin buckle.