Which is cheaper, the Hemel Sky Racer Mechanical or the Nivada Grenchen Antarctic Diver Aquamar?

At MSRP the Hemel Sky Racer Mechanical is the cheaper of the two at $550, against $1,050 for the Nivada Grenchen Antarctic Diver Aquamar — a $500 gap before any retailer discounting.

Which is bigger, the Hemel Sky Racer Mechanical or the Nivada Grenchen Antarctic Diver Aquamar?

The Hemel Sky Racer Mechanical wears larger at 43mm versus 38mm for the Nivada Grenchen Antarctic Diver Aquamar — a 5mm difference across the dial.

Which has better water resistance, the Hemel Sky Racer Mechanical or the Nivada Grenchen Antarctic Diver Aquamar?

The Nivada Grenchen Antarctic Diver Aquamar is rated to 200m versus 50m for the Hemel Sky Racer Mechanical.

Which has a longer power reserve, the Hemel Sky Racer Mechanical or the Nivada Grenchen Antarctic Diver Aquamar?

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

What movement does the Hemel Sky Racer Mechanical run compared to the Nivada Grenchen Antarctic Diver Aquamar?

The Hemel Sky Racer Mechanical runs a manual caliber (Seagull ST19), while the Nivada Grenchen Antarctic Diver Aquamar runs a automatic (Sellita SW200).

Side by side

Hemel Sky Racer MechanicalvsNivada Grenchen Antarctic Diver Aquamar

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

Hemel Sky Racer Mechanical

HF37MNB

MSRP $550

Nivada Grenchen Antarctic Diver Aquamar

Antarctic Diver Aquamar

MSRP $1,050

At a glance

17 of 29 specs differ

Diameter

Sky Racer Mechanical43mm

Antarctic Diver Aquamar38mm

Power Reserve

Sky Racer Mechanical40h

Antarctic Diver Aquamar38h

Water Resistance

Sky Racer Mechanical50m

Antarctic Diver Aquamar200m

MSRP

Sky Racer Mechanical$550

Antarctic Diver Aquamar$1,050

Full specifications

Case

8 specs

Crystal & Dial

3 specs

Crystal

Domed Sapphire

Sapphire

AR Coating

Inner

Underside

Lume

None

Super-LumiNova

Movement

5 specs

Caliber

Seagull ST19

Sellita SW200

Type

Manual

Automatic

Beat Rate

28,800 vph

4 vph

Power Reserve

40h

38h

Complications

None

GMT

Pricing

1 specs

MSRP

$550

$1,050

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