Which is cheaper, the Hamilton Khaki Aviation Converter Auto or the Hemel HD24 Automatic?

At MSRP the Hemel HD24 Automatic is the cheaper of the two at $300, against $1,345 for the Hamilton Khaki Aviation Converter Auto — a $1,045 gap before any retailer discounting.

Which is bigger, the Hamilton Khaki Aviation Converter Auto or the Hemel HD24 Automatic?

The Hamilton Khaki Aviation Converter Auto wears larger at 42mm versus 40mm for the Hemel HD24 Automatic — a 2mm difference across the dial.

Which has better water resistance, the Hamilton Khaki Aviation Converter Auto or the Hemel HD24 Automatic?

The Hemel HD24 Automatic is rated to 200m versus 100m for the Hamilton Khaki Aviation Converter Auto.

Which has a longer power reserve, the Hamilton Khaki Aviation Converter Auto or the Hemel HD24 Automatic?

The Hamilton Khaki Aviation Converter Auto carries a 80-hour power reserve against 40 hours on the Hemel HD24 Automatic.

What movement does the Hamilton Khaki Aviation Converter Auto run compared to the Hemel HD24 Automatic?

Both watches run automatic movements — the Hamilton Khaki Aviation Converter Auto uses the H-10 and the Hemel HD24 Automatic uses the Seiko NH38A.

Side by side

Hamilton Khaki Aviation Converter AutovsHemel HD24 Automatic

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

Hamilton Khaki Aviation Converter Auto

h76615130

MSRP $1,345

Hemel HD24 Automatic

the-gallant

MSRP $300

At a glance

11 of 29 specs differ

Diameter

Khaki Aviation Converter Auto42mm

HD24 Automatic40mm

Power Reserve

Khaki Aviation Converter Auto80h

HD24 Automatic40h

Water Resistance

Khaki Aviation Converter Auto100m

HD24 Automatic200m

MSRP

Khaki Aviation Converter Auto$1,345

HD24 Automatic$300

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Black

Gallant USAF Edition

Movement

2 specs

Caliber

H-10

Seiko NH38A

Power Reserve

80h

40h

Pricing

1 specs

MSRP

$1,345

$300

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