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

At MSRP the Hemel HD24 Automatic is the cheaper of the two at $300, against $2,445 for the Hamilton Khaki Aviation Converter Auto Chrono — a $2,145 gap before any retailer discounting.

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

The Hamilton Khaki Aviation Converter 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 Converter Auto Chrono or the Hemel HD24 Automatic?

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

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

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

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

Both watches run automatic movements — the Hamilton Khaki Aviation Converter Auto Chrono uses the H-21-Si and the Hemel HD24 Automatic uses the Seiko NH38A.

Side by side

Hamilton Khaki Aviation Converter Auto ChronovsHemel HD24 Automatic

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

Hamilton Khaki Aviation Converter Auto Chrono

h76726130

MSRP $2,445

Hemel HD24 Automatic

the-gallant

MSRP $300

At a glance

12 of 29 specs differ

Diameter

Khaki Aviation Converter Auto Chrono44mm

HD24 Automatic40mm

Power Reserve

Khaki Aviation Converter Auto Chrono60h

HD24 Automatic40h

Water Resistance

Khaki Aviation Converter Auto Chrono100m

HD24 Automatic200m

MSRP

Khaki Aviation Converter Auto Chrono$2,445

HD24 Automatic$300

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Black

Gallant USAF Edition

Movement

2 specs

Caliber

H-21-Si

Seiko NH38A

Power Reserve

60h

40h

Pricing

1 specs

MSRP

$2,445

$300

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