Which is cheaper, the Hemel Sky Racer Mechanical or the Grand Seiko SLGW004?

At MSRP the Hemel Sky Racer Mechanical is the cheaper of the two at $550, against $30,000 for the Grand Seiko SLGW004 — a $29,450 gap before any retailer discounting.

Which is bigger, the Hemel Sky Racer Mechanical or the Grand Seiko SLGW004?

The Hemel Sky Racer Mechanical wears larger at 43mm versus 38.8mm for the Grand Seiko SLGW004 — a 4.2mm difference across the dial.

Which has better water resistance, the Hemel Sky Racer Mechanical or the Grand Seiko SLGW004?

The Hemel Sky Racer Mechanical is rated to 50m versus 30m for the Grand Seiko SLGW004.

Which has a longer power reserve, the Hemel Sky Racer Mechanical or the Grand Seiko SLGW004?

The Grand Seiko SLGW004 carries a 80-hour power reserve against 40 hours on the Hemel Sky Racer Mechanical.

What movement does the Hemel Sky Racer Mechanical run compared to the Grand Seiko SLGW004?

Both watches run manual movements — the Hemel Sky Racer Mechanical uses the Seagull ST19 and the Grand Seiko SLGW004 uses the 9SA4.

Side by side

Hemel Sky Racer MechanicalvsGrand Seiko SLGW004

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

Hemel Sky Racer Mechanical

HF37MNB

MSRP $550

Grand Seiko SLGW004

slgw004j

MSRP $30,000

At a glance

12 of 29 specs differ

Diameter

Sky Racer Mechanical43mm

SLGW00438.8mm

Power Reserve

Sky Racer Mechanical40h

SLGW00480h

Water Resistance

Sky Racer Mechanical50m

SLGW00430m

MSRP

Sky Racer Mechanical$550

SLGW004$30,000

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Crystal

Domed Sapphire

Sapphire

AR Coating

Inner

Yes

Movement

2 specs

Caliber

Seagull ST19

9SA4

Power Reserve

40h

80h

Pricing

1 specs

MSRP

$550

$30,000

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Hemel Sky Racer MechanicalvsGrand Seiko SLGW004

At a glance

Full specifications

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