Which is cheaper, the Hemel HD24 Automatic or the Rolex Deepsea Challenge?

At MSRP the Hemel HD24 Automatic is the cheaper of the two at $300, against $29,100 for the Rolex Deepsea Challenge — a $28,800 gap before any retailer discounting.

Which is bigger, the Hemel HD24 Automatic or the Rolex Deepsea Challenge?

The Rolex Deepsea Challenge wears larger at 50mm versus 40mm for the Hemel HD24 Automatic — a 10mm difference across the dial.

Which has better water resistance, the Hemel HD24 Automatic or the Rolex Deepsea Challenge?

The Rolex Deepsea Challenge is rated to 11000m versus 200m for the Hemel HD24 Automatic.

Which has a longer power reserve, the Hemel HD24 Automatic or the Rolex Deepsea Challenge?

The Rolex Deepsea Challenge carries a 70-hour power reserve against 40 hours on the Hemel HD24 Automatic.

What movement does the Hemel HD24 Automatic run compared to the Rolex Deepsea Challenge?

Both watches run automatic movements — the Hemel HD24 Automatic uses the Seiko NH38 and the Rolex Deepsea Challenge uses the 3230.

Side by side

Hemel HD24 AutomaticvsRolex Deepsea Challenge

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

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Hemel HD24 Automatic

the-gallant

MSRP $300

Rolex Deepsea Challenge

126067

MSRP $29,100

At a glance

17 of 29 specs differ

Diameter

HD24 Automatic40mm

Deepsea Challenge50mm

Power Reserve

HD24 Automatic40h

Deepsea Challenge70h

Water Resistance

HD24 Automatic200m

Deepsea Challenge1,000m

MSRP

HD24 Automatic$300

Deepsea Challenge$29,100

Full specifications

Case

8 specs

Diameter

40mm

50mm

Thickness

13mm

9.5mm

Lug-to-Lug

48mm

46mm

Lug Width

20mm

—

Material

316L Stainless Steel

RLX Titanium

Finish

Brushed and polished

RLX titanium

Water Resistance

200m

1000m

Caseback

Solid

Monobloc middle case, screw-down case back and winding crown. Rolex Ringlock system case architecture with nitrogen-alloyed steel ring and helium escape valve

Crystal & Dial

5 specs

Crystal

Domed Sapphire

Sapphire

AR Coating

Inner

—

Dial Color

Gallant USAF Edition

Black

Indices

Applied

Index

Lume

None

Chromalight

Movement

3 specs

Caliber

Seiko NH38

3230

Power Reserve

40h

70h

Jewels

Pricing

1 specs

MSRP

$300

$29,100

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Hemel HD24 AutomaticvsRolex Deepsea Challenge

At a glance

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