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

At MSRP the Helgray Speedster (Racing Light Blue) is the cheaper of the two at $299, against $625 for the Seiko Prospex Sea PADI Special Edition — a $326 gap before any retailer discounting.

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

The Seiko Prospex Sea PADI Special Edition wears larger at 43.8mm versus 39mm for the Helgray Speedster (Racing Light Blue) — a 4.8mm difference across the dial.

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

The Seiko Prospex Sea PADI Special Edition is rated to 200m versus 30m for the Helgray Speedster (Racing Light Blue).

Which has a longer power reserve, the Helgray Speedster (Racing Light Blue) or the Seiko Prospex Sea PADI Special Edition?

The Seiko Prospex Sea PADI Special Edition carries a 41-hour power reserve against 40 hours on the Helgray Speedster (Racing Light Blue).

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

Both watches run automatic movements — the Helgray Speedster (Racing Light Blue) uses the Miyota 6S21 and the Seiko Prospex Sea PADI Special Edition uses the 4R35.

Side by side

Helgray Speedster (Racing Light Blue)vsSeiko Prospex Sea PADI Special Edition

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 PADI Special Edition

srpj93

MSRP $625

At a glance

12 of 29 specs differ

Diameter

Speedster (Racing Light Blue)39mm

Prospex Sea PADI Special Edition43.8mm

Power Reserve

Speedster (Racing Light Blue)40h

Prospex Sea PADI Special Edition41h

Water Resistance

Speedster (Racing Light Blue)30m

Prospex Sea PADI Special Edition200m

MSRP

Speedster (Racing Light Blue)$299

Prospex Sea PADI Special Edition$625

Full specifications

Case

6 specs

Crystal & Dial

2 specs

AR Coating

Inner

Anti-reflective coating on inner surface

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

Miyota 6S21

4R35

Power Reserve

40h

41h

Jewels

Pricing

1 specs

MSRP

$299

$625

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