Which is cheaper, the Grand Seiko SBGJ237 or the Helgray Speedster (Racing Light Blue)?

At MSRP the Helgray Speedster (Racing Light Blue) is the cheaper of the two at $299, against $7,600 for the Grand Seiko SBGJ237 — a $7,301 gap before any retailer discounting.

Which is bigger, the Grand Seiko SBGJ237 or the Helgray Speedster (Racing Light Blue)?

The Grand Seiko SBGJ237 wears larger at 44.2mm versus 39mm for the Helgray Speedster (Racing Light Blue) — a 5.2mm difference across the dial.

Which has better water resistance, the Grand Seiko SBGJ237 or the Helgray Speedster (Racing Light Blue)?

The Grand Seiko SBGJ237 is rated to 200m versus 30m for the Helgray Speedster (Racing Light Blue).

Which has a longer power reserve, the Grand Seiko SBGJ237 or the Helgray Speedster (Racing Light Blue)?

The Grand Seiko SBGJ237 carries a 55-hour power reserve against 40 hours on the Helgray Speedster (Racing Light Blue).

What movement does the Grand Seiko SBGJ237 run compared to the Helgray Speedster (Racing Light Blue)?

Both watches run automatic movements — the Grand Seiko SBGJ237 uses the 9S86 and the Helgray Speedster (Racing Light Blue) uses the Miyota 6S21.

Side by side

Grand Seiko SBGJ237vsHelgray Speedster (Racing Light Blue)

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

Grand Seiko SBGJ237

sbgj237g

MSRP $7,600

Helgray Speedster (Racing Light Blue)

speedster-racing-light-blue

MSRP $299

At a glance

10 of 29 specs differ

Diameter

SBGJ23744.2mm

Speedster (Racing Light Blue)39mm

Power Reserve

SBGJ23755h

Speedster (Racing Light Blue)40h

Water Resistance

SBGJ237200m

Speedster (Racing Light Blue)30m

MSRP

SBGJ237$7,600

Speedster (Racing Light Blue)$299

Full specifications

Case

6 specs

Crystal & Dial

1 specs

AR Coating

Yes

Inner

Movement

2 specs

Caliber

9S86

Miyota 6S21

Power Reserve

55h

40h

Pricing

1 specs

MSRP

$7,600

$299

Follow this matchup

Get a note when Grand Seiko SBGJ237 vs Helgray Speedster (Racing Light Blue) gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring