Which is cheaper, the Grand Seiko SBGR321 or the Helgray Speedster (Racing Light Blue)?

At MSRP the Helgray Speedster (Racing Light Blue) is the cheaper of the two at $299, against $5,200 for the Grand Seiko SBGR321 — a $4,901 gap before any retailer discounting.

Which is bigger, the Grand Seiko SBGR321 or the Helgray Speedster (Racing Light Blue)?

The Grand Seiko SBGR321 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 SBGR321 or the Helgray Speedster (Racing Light Blue)?

The Grand Seiko SBGR321 is rated to 100m versus 30m for the Helgray Speedster (Racing Light Blue).

Which has a longer power reserve, the Grand Seiko SBGR321 or the Helgray Speedster (Racing Light Blue)?

The Grand Seiko SBGR321 carries a 72-hour power reserve against 40 hours on the Helgray Speedster (Racing Light Blue).

What movement does the Grand Seiko SBGR321 run compared to the Helgray Speedster (Racing Light Blue)?

Both watches run automatic movements — the Grand Seiko SBGR321 uses the 9S65 and the Helgray Speedster (Racing Light Blue) uses the Miyota 6S21.

Side by side

Grand Seiko SBGR321vsHelgray Speedster (Racing Light Blue)

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

Grand Seiko SBGR321

sbgr321g

MSRP $5,200

Helgray Speedster (Racing Light Blue)

speedster-racing-light-blue

MSRP $299

At a glance

9 of 29 specs differ

Diameter

SBGR32140mm

Speedster (Racing Light Blue)39mm

Power Reserve

SBGR32172h

Speedster (Racing Light Blue)40h

Water Resistance

SBGR321100m

Speedster (Racing Light Blue)30m

MSRP

SBGR321$5,200

Speedster (Racing Light Blue)$299

Full specifications

Case

5 specs

Crystal & Dial

1 specs

AR Coating

Yes

Inner

Movement

2 specs

Caliber

9S65

Miyota 6S21

Power Reserve

72h

40h

Pricing

1 specs

MSRP

$5,200

$299

Follow this matchup

Get a note when Grand Seiko SBGR321 vs Helgray Speedster (Racing Light Blue) gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring