Hamilton Khaki Field King AutovsSignum Siege
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.
Khaki Field King Auto
Siege
Diameter
40mm
40mm
Lug-to-Lug
n/a
48mm
Thickness
11.2mm
10.5mm
lowest
Water Resistance
50m
100m
highest
Power Reserve
80h
n/a
MSRP
$845
$539
lowest
Movement
Hamilton H-40
Miyota 9015
Case
3 specsCrystal & Dial
2 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Hamilton Khaki Field King Auto for its attractive champagne or black dials, snappy day-date function, and hacking capability, with many noting excellent timekeeping ranging from +1 to +5 seconds per day. Reviewers and owners alike highlight its value, comfortable 40mm case with a matte finish and polished bezel, and legibility. Some owners find the stock strap stiff and the case finishing lacks fine detail, while others report the lume is decent but fades quickly. A lack of anti-reflective coating on the crystal is a recurring drawback, and some find the long lugs make the 40mm case wear larger. Overall, owners and reviewers rate the Hamilton Khaki Field King Auto highly for its excellent value and functional day-date complication.
The 80-hour power reserve from the H-40 movement is a significant advantage. The lack of AR coating on the sapphire crystal hinders legibility in direct light, and the 50-meter water resistance is limited for a field watch. Reviewers disagreed on the watch case geometry and ergonomics, with one noting it contributed to buyer's remorse and another suggesting it should offer a comfortable fit.
The dial's unique Blue Copper Turquoise finish is a standout aesthetic feature. The case is noted as being exceptionally simple.
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