Which is cheaper, the Sinn 358 DIAPAL or the Hemel HD24 Automatic?

At MSRP the Hemel HD24 Automatic is the cheaper of the two at $300, against $4,255 for the Sinn 358 DIAPAL — a $3,955 gap before any retailer discounting.

Which is bigger, the Sinn 358 DIAPAL or the Hemel HD24 Automatic?

The Sinn 358 DIAPAL wears larger at 42mm versus 40mm for the Hemel HD24 Automatic — a 2mm difference across the dial.

Which has better water resistance, the Sinn 358 DIAPAL or the Hemel HD24 Automatic?

The Hemel HD24 Automatic is rated to 200m versus 100m for the Sinn 358 DIAPAL.

Which has a longer power reserve, the Sinn 358 DIAPAL or the Hemel HD24 Automatic?

The Sinn 358 DIAPAL carries a 48-hour power reserve against 40 hours on the Hemel HD24 Automatic.

What movement does the Sinn 358 DIAPAL run compared to the Hemel HD24 Automatic?

Both watches run automatic movements — the Sinn 358 DIAPAL uses the LJP L100 and the Hemel HD24 Automatic uses the Seiko NH38A.

Side by side

Sinn 358 DIAPALvsHemel HD24 Automatic

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

Sinn 358 DIAPAL

358 DIAPAL

MSRP $4,255

Hemel HD24 Automatic

the-gallant

MSRP $300

At a glance

20 of 29 specs differ

Diameter

358 DIAPAL42mm

HD24 Automatic40mm

Power Reserve

358 DIAPAL48h

HD24 Automatic40h

Water Resistance

358 DIAPAL100m

HD24 Automatic200m

MSRP

358 DIAPAL$4,255

HD24 Automatic$300

Full specifications

Case

9 specs

Crystal & Dial

6 specs

Crystal

Sapphire

Domed Sapphire

Crystal Shape

—

Flat

AR Coating

Underside

Inner

Dial Color

Anthracite

Gallant USAF Edition

Indices

—

Applied

Lume

Luminescent

None

Movement

4 specs

Caliber

LJP L100

Seiko NH38A

Power Reserve

48h

40h

Jewels

Complications

GMT, Date, Chronograph

None

Pricing

1 specs

MSRP

$4,255

$300

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Sinn 358 DIAPALvsHemel HD24 Automatic

At a glance

Full specifications

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