Which is cheaper, the Hemel Sky Racer Mechanical or the Grand Seiko SBGX355?

At MSRP the Hemel Sky Racer Mechanical is the cheaper of the two at $550, against $4,100 for the Grand Seiko SBGX355 — a $3,550 gap before any retailer discounting.

Which is bigger, the Hemel Sky Racer Mechanical or the Grand Seiko SBGX355?

The Hemel Sky Racer Mechanical wears larger at 43mm versus 37mm for the Grand Seiko SBGX355 — a 6mm difference across the dial.

Which has better water resistance, the Hemel Sky Racer Mechanical or the Grand Seiko SBGX355?

The Grand Seiko SBGX355 is rated to 100m versus 50m for the Hemel Sky Racer Mechanical.

What movement does the Hemel Sky Racer Mechanical run compared to the Grand Seiko SBGX355?

The Hemel Sky Racer Mechanical runs a manual caliber (Seagull ST19), while the Grand Seiko SBGX355 runs a quartz (9F62).

Side by side

Hemel Sky Racer MechanicalvsGrand Seiko SBGX355

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 SBGX355

sbgx355g

MSRP $4,100

At a glance

12 of 29 specs differ

Diameter

Sky Racer Mechanical43mm

SBGX35537mm

Power Reserve

Sky Racer Mechanical40h

SBGX35540h

Water Resistance

Sky Racer Mechanical50m

SBGX355100m

MSRP

Sky Racer Mechanical$550

SBGX355$4,100

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Crystal

Domed Sapphire

Sapphire

AR Coating

Inner

Yes

Movement

2 specs

Caliber

Seagull ST19

9F62

Type

Manual

Quartz

Pricing

1 specs

MSRP

$550

$4,100

Follow this matchup

Get a note when Hemel Sky Racer Mechanical vs Grand Seiko SBGX355 gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Hemelmicro

Air Support

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Hemel HFC Mechanical ChronographvsGrand Seiko SBGX355 Lum-Tec EclipsevsGrand Seiko SBGX355 Grand Seiko SBGX355vsSpinnaker Hull Riviera Grand Seiko SBGX355vsYema Flygraf Navigator Hemel Sky Racer MechanicalvsGrand Seiko SBGX261 Hemel Sky Racer MechanicalvsGrand Seiko SBGP009

Edit this comparison Add another watch Explore more 36–44mm watches

Hemel Sky Racer MechanicalvsGrand Seiko SBGX355

At a glance

Full specifications

Follow this matchup

More watches worth a look

HFC Mechanical Chronograph

The Citizen Caliber A060

Eclipse

Hull Riviera

Solaris

Flygraf Navigator

Jubilee Edition

DOLCEVITA

People also compared