Side by side

Alexander James Watches A3 OmenvsHamilton Khaki Field King Auto

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Alexander James Watches A3 Omen

Owners widely praise the Alexander James Watches A3 for its exceptional value, with one owner calling the $75 price a steal, especially with a gold milanese bracelet. The dial's ability to shift appearance under different lighting conditions is a frequently admired trait, and the BGW9 Superluminova is described as great, though not the brightest. One owner noted the 39mm case diameter and 20mm lug width. Overall, owners rate the Alexander James Watches A3 highly for its striking dial and remarkable value proposition.

Hamilton Khaki Field King Auto

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.

From video reviewers

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.

At a glance

8 of 29 specs differ
Diameter
A3 Omen38mm
Khaki Field King Auto40mm
Power Reserve
A3 Omen40h
Khaki Field King Auto80h
Water Resistance
A3 Omen100m
Khaki Field King Auto50m
MSRP
A3 Omen$650
Khaki Field King Auto$845

Full specifications

Case

4 specs
Category
Field
Diameter
38mm
40mm
Thickness
10.4mm
11.15mm
Water Resistance
100m
50m

Crystal & Dial

1 specs
Dial Color
Black

Movement

2 specs
Caliber
Miyota 9039
H-40 (ETA 2834-2 base)
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$650
$845
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