What movement does the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono run compared to the Hemel HD24 Automatic?

The Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono runs a manual caliber (H-51-Si), while the Hemel HD24 Automatic runs a automatic (Seiko NH38A).

Side by side

Hamilton Khaki Aviation Pilot Pioneer Mechanical ChronovsHemel HD24 Automatic

Q: Which is cheaper, the Hamilton Khaki Aviation Pilot Pioneer Mechanical 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 Pilot Pioneer Mechanical Chrono — a $2,145 gap before any retailer discounting.

Q: Which has better water resistance, the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono or the Hemel HD24 Automatic?

The Hemel HD24 Automatic is rated to 200m versus 100m for the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono.

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

Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono

h76409140

MSRP $2,445

Hemel HD24 Automatic

the-gallant

MSRP $300

At a glance

12 of 29 specs differ

Diameter

Khaki Aviation Pilot Pioneer Mechanical Chrono40mm

HD24 Automatic40mm

Power Reserve

Khaki Aviation Pilot Pioneer Mechanical Chrono60h

HD24 Automatic40h

Water Resistance

Khaki Aviation Pilot Pioneer Mechanical Chrono100m

HD24 Automatic200m

MSRP

Khaki Aviation Pilot Pioneer Mechanical Chrono$2,445

HD24 Automatic$300

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Blue

Gallant USAF Edition

Movement

3 specs

Caliber

H-51-Si

Seiko NH38A

Type

Manual

Automatic

Power Reserve

60h

40h

Pricing

1 specs

MSRP

$2,445

$300

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