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

At MSRP the Hemel HD24 Automatic is the cheaper of the two at $300, against $725 for the Seiko Prospex SPEEDTIMER — a $425 gap before any retailer discounting.

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

The Hemel HD24 Automatic wears larger at 40mm versus 39mm for the Seiko Prospex SPEEDTIMER — a 1mm difference across the dial.

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

The Hemel HD24 Automatic is rated to 200m versus 10m for the Seiko Prospex SPEEDTIMER.

What movement does the Hemel HD24 Automatic run compared to the Seiko Prospex SPEEDTIMER?

The Hemel HD24 Automatic runs a automatic caliber (Seiko NH38A), while the Seiko Prospex SPEEDTIMER runs a quartz (V192).

Side by side

Hemel HD24 AutomaticvsSeiko Prospex SPEEDTIMER

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 SPEEDTIMER

ssc813

MSRP $725

At a glance

14 of 29 specs differ

Diameter

HD24 Automatic40mm

Prospex SPEEDTIMER39mm

Power Reserve

HD24 Automatic40h

Prospex SPEEDTIMER40h

Water Resistance

HD24 Automatic200m

Prospex SPEEDTIMER100m

MSRP

HD24 Automatic$300

Prospex SPEEDTIMER$725

Full specifications

Case

6 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

2 specs

Caliber

Seiko NH38A

V192

Type

Automatic

Quartz

Pricing

1 specs

MSRP

$300

$725

Follow this matchup

Get a note when Hemel HD24 Automatic vs Seiko Prospex SPEEDTIMER 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 SPEEDTIMERvsVaer D5 Pacific Anacapa Auto Seiko Prospex SPEEDTIMERvsYema Diver Geckota Sea-Hunter Dive WatchvsSeiko Prospex SPEEDTIMER Seiko Prospex SPEEDTIMERvsYEMA x Alain Silberstein Limited Edition Hemel HD24 AutomaticvsPraesidus Type H-75 Geckota GT Racing ChronographvsHemel HD24 Automatic

Edit this comparison Add another watch Explore more 38–41mm watches

Hemel HD24 AutomaticvsSeiko Prospex SPEEDTIMER

At a glance

Full specifications

Follow this matchup

More watches worth a look

D5 Pacific Anacapa Auto

Type H-75

Diver

GT Racing Chronograph

Sea-Hunter Dive Watch

1964

YEMA x Alain Silberstein Limited Edition

Chrono Diver Gen 2

People also compared