Side by side

Hamilton Khaki Field King AutovsLum-Tec Solar Marine

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

Khaki Field King Auto
HamiltonKhaki Field King Auto
MSRP $845
Solar Marine
Lum-TecSolar Marine
MSRP $463

At a glance

10 of 29 specs differ
Diameter
Khaki Field King Auto40mm
Solar Marine39mm
Power Reserve
Khaki Field King Auto80h
Solar Marine40h
Water Resistance
Khaki Field King Auto50m
Solar Marine300m
MSRP
Khaki Field King Auto$845
Solar Marine$463

Full specifications

Case

6 specs
Category
Field
Diver
Diameter
40mm
39mm
Thickness
11.15mm
10.7mm
Lug-to-Lug
46mm
43.5mm
Material
Stainless Steel
316L Stainless Steel (DLC coated)
Water Resistance
50m
300m

Crystal & Dial

1 specs
Dial Color
Black
Steel

Movement

2 specs
Caliber
H-40
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$845
$463

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What people say

Owners + reviewers, side by side

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

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.

Lum-Tec Solar Marine

Lum-Tec Solar Marine owners praise its all-black diver design, excellent lume, and rugged, tank-like build. One owner finds it a perfect fit for a 7-inch wrist and the most frequently worn watch despite its smaller size. However, one owner cautions that the PVD coating will wear and chip within a year, impacting its appearance, and another finds the price high for a solar quartz watch with added lume. On balance, owners rate the Lum-Tec Solar Marine highly for its robust design and excellent lume, despite concerns about PVD durability and value proposition.

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