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 $2,200 for the Seiko Prospex SPEEDTIMER — a $1,900 gap before any retailer discounting.

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

The Seiko Prospex SPEEDTIMER wears larger at 42mm versus 40mm for the Hemel HD24 Automatic — a 2mm 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 (5X83).

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

ssh165j1

MSRP $2,200

At a glance

15 of 29 specs differ

Diameter

HD24 Automatic40mm

Prospex SPEEDTIMER42mm

Power Reserve

HD24 Automatic40h

Prospex SPEEDTIMER40h

Water Resistance

HD24 Automatic200m

Prospex SPEEDTIMER100m

MSRP

HD24 Automatic$300

Prospex SPEEDTIMER$2,200

Full specifications

Case

6 specs

Crystal & Dial

5 specs

Crystal

Domed Sapphire

Sapphire

Crystal Shape

Flat

Curved

AR Coating

Inner

Super-clear coating

Dial Color

Gallant USAF Edition

Black

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Seiko NH38A

5X83

Type

Automatic

Quartz

Jewels

Pricing

1 specs

MSRP

$300

$2,200

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Hemel HD24 AutomaticvsSeiko Prospex SPEEDTIMER

At a glance

Full specifications

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