Which is cheaper, the Helgray Speedster (Racing Light Blue) or the Grand Seiko STGF387?

At MSRP the Helgray Speedster (Racing Light Blue) is the cheaper of the two at $299, against $4,200 for the Grand Seiko STGF387 — a $3,901 gap before any retailer discounting.

Which is bigger, the Helgray Speedster (Racing Light Blue) or the Grand Seiko STGF387?

The Helgray Speedster (Racing Light Blue) wears larger at 39mm versus 26mm for the Grand Seiko STGF387 — a 13mm difference across the dial.

Which has better water resistance, the Helgray Speedster (Racing Light Blue) or the Grand Seiko STGF387?

The Grand Seiko STGF387 is rated to 100m versus 30m for the Helgray Speedster (Racing Light Blue).

What movement does the Helgray Speedster (Racing Light Blue) run compared to the Grand Seiko STGF387?

The Helgray Speedster (Racing Light Blue) runs a automatic caliber (Miyota 6S21), while the Grand Seiko STGF387 runs a quartz (4J51).

Side by side

Helgray Speedster (Racing Light Blue)vsGrand Seiko STGF387

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

Helgray Speedster (Racing Light Blue)

speedster-racing-light-blue

MSRP $299

Grand Seiko STGF387

stgf387g

MSRP $4,200

At a glance

10 of 29 specs differ

Diameter

Speedster (Racing Light Blue)39mm

STGF38726mm

Power Reserve

Speedster (Racing Light Blue)40h

STGF38740h

Water Resistance

Speedster (Racing Light Blue)30m

STGF387100m

MSRP

Speedster (Racing Light Blue)$299

STGF387$4,200

Full specifications

Case

6 specs

Crystal & Dial

1 specs

AR Coating

Inner

Yes

Movement

2 specs

Caliber

Miyota 6S21

4J51

Type

Automatic

Quartz

Pricing

1 specs

MSRP

$299

$4,200

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