Which is cheaper, the Hemel HD24 Automatic or the Seiko Prospex LX line?

At MSRP the Hemel HD24 Automatic is the cheaper of the two at $300, against $5,500 for the Seiko Prospex LX line — a $5,200 gap before any retailer discounting.

Which is bigger, the Hemel HD24 Automatic or the Seiko Prospex LX line?

The Seiko Prospex LX line wears larger at 44.8mm versus 40mm for the Hemel HD24 Automatic — a 4.8mm difference across the dial.

Which has better water resistance, the Hemel HD24 Automatic or the Seiko Prospex LX line?

The Hemel HD24 Automatic is rated to 200m versus 20m for the Seiko Prospex LX line.

Which has a longer power reserve, the Hemel HD24 Automatic or the Seiko Prospex LX line?

The Seiko Prospex LX line 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 LX line?

The Hemel HD24 Automatic runs a automatic caliber (Seiko NH38A), while the Seiko Prospex LX line runs a spring drive (5R66).

Side by side

Hemel HD24 AutomaticvsSeiko Prospex LX line

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 LX line

snr025j1

MSRP $5,500

At a glance

15 of 29 specs differ

Diameter

HD24 Automatic40mm

Prospex LX line44.8mm

Power Reserve

HD24 Automatic40h

Prospex LX line72h

Water Resistance

HD24 Automatic200m

Prospex LX line200m

MSRP

HD24 Automatic$300

Prospex LX line$5,500

Full specifications

Case

6 specs

Crystal & Dial

4 specs

Crystal

Domed Sapphire

Sapphire

AR Coating

Inner

Super-clear coating

Dial Color

Gallant USAF Edition

Black

Lume

None

LumiBrite on hands and index(es)

Movement

4 specs

Caliber

Seiko NH38A

5R66

Type

Automatic

Spring Drive

Power Reserve

40h

72h

Jewels

Pricing

1 specs

MSRP

$300

$5,500

Follow this matchup

Get a note when Hemel HD24 Automatic vs Seiko Prospex LX line gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Vaermicro

Pacific

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Seiko Prospex LX linevsVaer D5 Pacific Anacapa Auto Seiko Prospex LX linevsYema Diver Geckota Sea-Hunter Dive WatchvsSeiko Prospex LX line Seiko Prospex LX linevsYEMA x Alain Silberstein Limited Edition Hemel HD24 AutomaticvsSpinnaker Tesei Mille Metri GMT Hemel HD24 AutomaticvsSpinnaker Dumas GMT

Edit this comparison Add another watch Explore more 39–46mm watches

Hemel HD24 AutomaticvsSeiko Prospex LX line

At a glance

Full specifications

Follow this matchup

More watches worth a look

D5 Pacific Anacapa Auto

Tesei Mille Metri GMT

Diver

Dumas GMT

Sea-Hunter Dive Watch

YEMA x Alain Silberstein Limited Edition

Hammerhead V3 300m Titanium

Helmsman 3

People also compared