Which is cheaper, the Hemel HD24 Automatic or the Nivada Grenchen Antarctic Diver Aquamar?

At MSRP the Hemel HD24 Automatic is the cheaper of the two at $300, against $1,050 for the Nivada Grenchen Antarctic Diver Aquamar — a $750 gap before any retailer discounting.

Which is bigger, the Hemel HD24 Automatic or the Nivada Grenchen Antarctic Diver Aquamar?

The Hemel HD24 Automatic wears larger at 40mm versus 38mm for the Nivada Grenchen Antarctic Diver Aquamar — a 2mm difference across the dial.

Which has a longer power reserve, the Hemel HD24 Automatic or the Nivada Grenchen Antarctic Diver Aquamar?

The Hemel HD24 Automatic carries a 40-hour power reserve against 38 hours on the Nivada Grenchen Antarctic Diver Aquamar.

What movement does the Hemel HD24 Automatic run compared to the Nivada Grenchen Antarctic Diver Aquamar?

Both watches run automatic movements — the Hemel HD24 Automatic uses the Seiko NH38A and the Nivada Grenchen Antarctic Diver Aquamar uses the Sellita SW200.

Side by side

Hemel HD24 AutomaticvsNivada Grenchen Antarctic Diver Aquamar

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

Hemel HD24 Automatic

the-gallant

MSRP $300

Nivada Grenchen Antarctic Diver Aquamar

Antarctic Diver Aquamar

MSRP $1,050

At a glance

15 of 29 specs differ

Diameter

HD24 Automatic40mm

Antarctic Diver Aquamar38mm

Power Reserve

HD24 Automatic40h

Antarctic Diver Aquamar38h

Water Resistance

HD24 Automatic200m

Antarctic Diver Aquamar200m

MSRP

HD24 Automatic$300

Antarctic Diver Aquamar$1,050

Full specifications

Case

6 specs

Diameter

40mm

38mm

Thickness

13mm

12.9mm

Lug-to-Lug

48mm

46mm

Lug Width

20mm

16mm

Material

316L Stainless Steel

Stainless Steel

Caseback

Solid

Solid screw-down

Crystal & Dial

4 specs

Crystal

Domed Sapphire

Sapphire

AR Coating

Inner

Underside

Dial Color

Gallant USAF Edition

Black

Lume

None

Super-LumiNova

Movement

4 specs

Caliber

Seiko NH38A

Sellita SW200

Beat Rate

28,800 vph

4 vph

Power Reserve

40h

38h

Complications

None

GMT

Pricing

1 specs

MSRP

$300

$1,050

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