Which is cheaper, the Grand Seiko SLGH017 or the Helgray Speedster (Racing Light Blue)?

At MSRP the Helgray Speedster (Racing Light Blue) is the cheaper of the two at $299, against $10,500 for the Grand Seiko SLGH017 — a $10,201 gap before any retailer discounting.

Which is bigger, the Grand Seiko SLGH017 or the Helgray Speedster (Racing Light Blue)?

The Grand Seiko SLGH017 wears larger at 40mm versus 39mm for the Helgray Speedster (Racing Light Blue) — a 1mm difference across the dial.

Which has better water resistance, the Grand Seiko SLGH017 or the Helgray Speedster (Racing Light Blue)?

The Grand Seiko SLGH017 is rated to 100m versus 30m for the Helgray Speedster (Racing Light Blue).

Which has a longer power reserve, the Grand Seiko SLGH017 or the Helgray Speedster (Racing Light Blue)?

The Grand Seiko SLGH017 carries a 80-hour power reserve against 40 hours on the Helgray Speedster (Racing Light Blue).

What movement does the Grand Seiko SLGH017 run compared to the Helgray Speedster (Racing Light Blue)?

Both watches run automatic movements — the Grand Seiko SLGH017 uses the 9SA5 and the Helgray Speedster (Racing Light Blue) uses the Miyota 6S21.

Side by side

Grand Seiko SLGH017vsHelgray Speedster (Racing Light Blue)

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

Grand Seiko SLGH017

slgh017g

MSRP $10,500

Helgray Speedster (Racing Light Blue)

speedster-racing-light-blue

MSRP $299

At a glance

11 of 29 specs differ

Diameter

SLGH01740mm

Speedster (Racing Light Blue)39mm

Power Reserve

SLGH01780h

Speedster (Racing Light Blue)40h

Water Resistance

SLGH017100m

Speedster (Racing Light Blue)30m

MSRP

SLGH017$10,500

Speedster (Racing Light Blue)$299

Full specifications

Case

7 specs

Crystal & Dial

1 specs

AR Coating

Yes

Inner

Movement

2 specs

Caliber

9SA5

Miyota 6S21

Power Reserve

80h

40h

Pricing

1 specs

MSRP

$10,500

$299

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