The military tradition of Hamilton can be found on the dial of this splendid Khaki Field King Auto timepiece with protections specially designed to ensure the safety of the crown at all times. Long live the king. With an enhanced power reserve of up to 80 hours, the H-40 stands out for its aesthetics and boldness. The 80-hour power reserve, almost double that of the market standard, allows you to remove the watch on Friday and still hear it ticking on Monday.