Which is cheaper, the Hamilton Khaki Aviation X-Wind Day Date Auto or the Lum-Tec Combat Field?

At MSRP the Lum-Tec Combat Field is the cheaper of the two at $695, against $1,375 for the Hamilton Khaki Aviation X-Wind Day Date Auto — a $680 gap before any retailer discounting.

Which is bigger, the Hamilton Khaki Aviation X-Wind Day Date Auto or the Lum-Tec Combat Field?

The Hamilton Khaki Aviation X-Wind Day Date Auto wears larger at 45mm versus 44mm for the Lum-Tec Combat Field — a 1mm difference across the dial.

Which has better water resistance, the Hamilton Khaki Aviation X-Wind Day Date Auto or the Lum-Tec Combat Field?

The Lum-Tec Combat Field is rated to 200m versus 100m for the Hamilton Khaki Aviation X-Wind Day Date Auto.

Which has a longer power reserve, the Hamilton Khaki Aviation X-Wind Day Date Auto or the Lum-Tec Combat Field?

The Hamilton Khaki Aviation X-Wind Day Date Auto carries a 80-hour power reserve against 40 hours on the Lum-Tec Combat Field.

What movement does the Hamilton Khaki Aviation X-Wind Day Date Auto run compared to the Lum-Tec Combat Field?

Both watches run automatic movements — the Hamilton Khaki Aviation X-Wind Day Date Auto uses the H-30 and the Lum-Tec Combat Field uses the Miyota 9075.

Side by side

Hamilton Khaki Aviation X-Wind Day Date AutovsLum-Tec Combat Field

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

Hamilton Khaki Aviation X-Wind Day Date Auto

h77735560

MSRP $1,375

Lum-Tec Combat Field

combat-field-x6-gmt

MSRP $695

At a glance

11 of 29 specs differ

Diameter

Khaki Aviation X-Wind Day Date Auto45mm

Combat Field44mm

Power Reserve

Khaki Aviation X-Wind Day Date Auto80h

Combat Field40h

Water Resistance

Khaki Aviation X-Wind Day Date Auto100m

Combat Field200m

MSRP

Khaki Aviation X-Wind Day Date Auto$1,375

Combat Field$695

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Green

X6 Titanium GMT

Movement

2 specs

Caliber

H-30

Miyota 9075

Power Reserve

80h

40h

Pricing

1 specs

MSRP

$1,375

$695

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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 Aviation X-Wind Day Date Auto

Owners widely praise the Hamilton Khaki Aviation X-Wind Day Date Auto for its value, technical aesthetic, and versatile wearability with straps. Reviewers and owners alike highlight its excellent legibility, bold Arabic numerals, and the appeal of its pilot watch design, with many appreciating the 80-hour power reserve. Some owners find the crosswind calculation functions unnecessary, and there are mixed views on the dial's font usage and color matching. Lume is frequently noted as weak, and some find the size large or the left-handed crown and pusher setup uncomfortable. Accuracy figures range from gaining 6 seconds in a few days to approximately -6 seconds per day. Overall, owners rate the Hamilton Khaki Aviation X-Wind Day Date Auto highly for its impressive value and functional pilot watch design.

Owners widely praise the Lum-Tec Combat Field for its rugged build and excellent lume, with one owner highlighting the bronze case and California dial as special features. The DLC coating is considered durable, and the PVD finish offers a "pure sport" blacked-out aesthetic. Some owners appreciate the modern look and design elements like skeleton hands and a 9 o'clock crown, noting that the 43mm case wears smaller than its dimensions suggest. One owner experienced an issue with a chronograph second hand not aligning correctly, a common quartz chronograph problem. On balance, owners rate the Lum-Tec Combat Field highly for its robust construction and distinctive design elements.

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