Which is cheaper, the Hamilton Khaki Aviation X-Wind Auto chrono or the Hemel HD24 Automatic?

At MSRP the Hemel HD24 Automatic is the cheaper of the two at $300, against $2,095 for the Hamilton Khaki Aviation X-Wind Auto chrono — a $1,795 gap before any retailer discounting.

Which is bigger, the Hamilton Khaki Aviation X-Wind Auto chrono or the Hemel HD24 Automatic?

The Hamilton Khaki Aviation X-Wind Auto chrono wears larger at 44mm versus 40mm for the Hemel HD24 Automatic — a 4mm difference across the dial.

Which has better water resistance, the Hamilton Khaki Aviation X-Wind Auto chrono or the Hemel HD24 Automatic?

The Hemel HD24 Automatic is rated to 200m versus 100m for the Hamilton Khaki Aviation X-Wind Auto chrono.

Which has a longer power reserve, the Hamilton Khaki Aviation X-Wind Auto chrono or the Hemel HD24 Automatic?

The Hamilton Khaki Aviation X-Wind Auto chrono carries a 60-hour power reserve against 40 hours on the Hemel HD24 Automatic.

What movement does the Hamilton Khaki Aviation X-Wind Auto chrono run compared to the Hemel HD24 Automatic?

Both watches run automatic movements — the Hamilton Khaki Aviation X-Wind Auto chrono uses the H-21 and the Hemel HD24 Automatic uses the Seiko NH38A.

Side by side

Hamilton Khaki Aviation X-Wind Auto chronovsHemel HD24 Automatic

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

Hamilton Khaki Aviation X-Wind Auto chrono

h77506540

MSRP $2,095

Hemel HD24 Automatic

the-gallant

MSRP $300

At a glance

12 of 29 specs differ

Diameter

Khaki Aviation X-Wind Auto chrono44mm

HD24 Automatic40mm

Power Reserve

Khaki Aviation X-Wind Auto chrono60h

HD24 Automatic40h

Water Resistance

Khaki Aviation X-Wind Auto chrono100m

HD24 Automatic200m

MSRP

Khaki Aviation X-Wind Auto chrono$2,095

HD24 Automatic$300

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Blue

Gallant USAF Edition

Movement

2 specs

Caliber

H-21

Seiko NH38A

Power Reserve

60h

40h

Pricing

1 specs

MSRP

$2,095

$300

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