Which is cheaper, the Grand Seiko SLGB006 or the Helgray Speedster (Racing Light Blue)?

At MSRP the Helgray Speedster (Racing Light Blue) is the cheaper of the two at $299, against $43,600 for the Grand Seiko SLGB006 — a $43,301 gap before any retailer discounting.

Which is bigger, the Grand Seiko SLGB006 or the Helgray Speedster (Racing Light Blue)?

The Helgray Speedster (Racing Light Blue) wears larger at 39mm versus 37mm for the Grand Seiko SLGB006 — a 2mm difference across the dial.

Which has better water resistance, the Grand Seiko SLGB006 or the Helgray Speedster (Racing Light Blue)?

The Grand Seiko SLGB006 is rated to 100m versus 30m for the Helgray Speedster (Racing Light Blue).

Which has a longer power reserve, the Grand Seiko SLGB006 or the Helgray Speedster (Racing Light Blue)?

The Grand Seiko SLGB006 carries a 72-hour power reserve against 40 hours on the Helgray Speedster (Racing Light Blue).

What movement does the Grand Seiko SLGB006 run compared to the Helgray Speedster (Racing Light Blue)?

The Grand Seiko SLGB006 runs a spring drive caliber (9RB2), while the Helgray Speedster (Racing Light Blue) runs a automatic (Miyota 6S21).

Side by side

Grand Seiko SLGB006vsHelgray Speedster (Racing Light Blue)

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

Grand Seiko SLGB006

slgb006g

MSRP $43,600

Helgray Speedster (Racing Light Blue)

speedster-racing-light-blue

MSRP $299

At a glance

11 of 29 specs differ

Diameter

SLGB00637mm

Speedster (Racing Light Blue)39mm

Power Reserve

SLGB00672h

Speedster (Racing Light Blue)40h

Water Resistance

SLGB006100m

Speedster (Racing Light Blue)30m

MSRP

SLGB006$43,600

Speedster (Racing Light Blue)$299

Full specifications

Case

6 specs

Crystal & Dial

1 specs

AR Coating

Yes

Inner

Movement

3 specs

Caliber

9RB2

Miyota 6S21

Type

Spring Drive

Automatic

Power Reserve

72h

40h

Pricing

1 specs

MSRP

$43,600

$299

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