Which is cheaper, the Hemel HD24 Automatic or the Seiko Prospex Land Mechanical GMT?

At MSRP the Hemel HD24 Automatic is the cheaper of the two at $300, against $1,150 for the Seiko Prospex Land Mechanical GMT — a $850 gap before any retailer discounting.

Which is bigger, the Hemel HD24 Automatic or the Seiko Prospex Land Mechanical GMT?

The Hemel HD24 Automatic wears larger at 40mm versus 39.5mm for the Seiko Prospex Land Mechanical GMT — a 0.5mm difference across the dial.

Which has better water resistance, the Hemel HD24 Automatic or the Seiko Prospex Land Mechanical GMT?

The Hemel HD24 Automatic is rated to 200m versus 20m for the Seiko Prospex Land Mechanical GMT.

Which has a longer power reserve, the Hemel HD24 Automatic or the Seiko Prospex Land Mechanical GMT?

The Seiko Prospex Land Mechanical GMT carries a 72-hour power reserve against 40 hours on the Hemel HD24 Automatic.

What movement does the Hemel HD24 Automatic run compared to the Seiko Prospex Land Mechanical GMT?

Both watches run automatic movements — the Hemel HD24 Automatic uses the Seiko NH38A and the Seiko Prospex Land Mechanical GMT uses the 6R54.

Side by side

Hemel HD24 AutomaticvsSeiko Prospex Land Mechanical GMT

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

Hemel HD24 Automatic

the-gallant

MSRP $300

Seiko Prospex Land Mechanical GMT

spb377j1

MSRP $1,150

At a glance

14 of 29 specs differ

Diameter

HD24 Automatic40mm

Prospex Land Mechanical GMT39.5mm

Power Reserve

HD24 Automatic40h

Prospex Land Mechanical GMT72h

Water Resistance

HD24 Automatic200m

Prospex Land Mechanical GMT200m

MSRP

HD24 Automatic$300

Prospex Land Mechanical GMT$1,150

Full specifications

Case

5 specs

Crystal & Dial

5 specs

Crystal

Domed Sapphire

Sapphire

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

Gallant USAF Edition

Black

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Seiko NH38A

6R54

Power Reserve

40h

72h

Jewels

Pricing

1 specs

MSRP

$300

$1,150

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