
The Hamilton Khaki Field King Auto (ref. h64455133) is an automatic field watch, with a 40mm stainless steel case, 11.15mm thick, powered by the H-40 movement and a 80-hour power reserve. Water resistance is rated to 50m, under a sapphire crystal. Manufacturer MSRP is $845.
Owners and reviewers widely praise the Hamilton Khaki Field King Auto for its 80-hour power reserve, hacking capability, and snappy day-date function, with accuracy figures ranging from +1 to +5 seconds per day. The watch is also noted for its legibility, attractive dial options, and 100m water resistance. Some owners find the stock strap stiff and the case finishing lacks fine detail, while others mention the lume is decent but fades significantly after about 30 minutes. The lack of an anti-reflective coating on the sapphire crystal is a recurring point, and the crown does not feel like it fully pushes in for some. On balance, owners and reviewers rate the Hamilton Khaki Field King Auto highly for its robust feature set and value, particularly its day-date complication and extended power reserve.