Which is cheaper, the Helgray Speedster (Racing Light Blue) or the Seiko Prospex Sea?

At MSRP the Helgray Speedster (Racing Light Blue) is the cheaper of the two at $299, against $795 for the Seiko Prospex Sea — a $496 gap before any retailer discounting.

Which is bigger, the Helgray Speedster (Racing Light Blue) or the Seiko Prospex Sea?

The Helgray Speedster (Racing Light Blue) wears larger at 39mm versus 34mm for the Seiko Prospex Sea — a 5mm difference across the dial.

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

The Helgray Speedster (Racing Light Blue) is rated to 30m versus 20m for the Seiko Prospex Sea.

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

The Helgray Speedster (Racing Light Blue) runs a automatic caliber (Miyota 6S21), while the Seiko Prospex Sea runs a quartz (6N01).

Side by side

Helgray Speedster (Racing Light Blue)vsSeiko Prospex Sea

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

Seiko Prospex Sea

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MSRP $795

At a glance

11 of 29 specs differ

Diameter

Speedster (Racing Light Blue)39mm

Prospex Sea34mm

Power Reserve

Speedster (Racing Light Blue)40h

Prospex Sea40h

Water Resistance

Speedster (Racing Light Blue)30m

Prospex Sea200m

MSRP

Speedster (Racing Light Blue)$299

Prospex Sea$795

Full specifications

Case

6 specs

Crystal & Dial

2 specs

AR Coating

Inner

Anti-reflective coating on inner surface

Lume

None

LumiBrite on hands and index(es)

Movement

2 specs

Caliber

Miyota 6S21

6N01

Type

Automatic

Quartz

Pricing

1 specs

MSRP

$299

$795

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