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

At MSRP the Helgray Speedster (Racing Light Blue) is the cheaper of the two at $299, against $3,000 for the Seiko Prospex SPEEDTIMER — a $2,701 gap before any retailer discounting.

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

The Seiko Prospex SPEEDTIMER wears larger at 42.5mm versus 39mm for the Helgray Speedster (Racing Light Blue) — a 3.5mm difference across the dial.

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

The Helgray Speedster (Racing Light Blue) is rated to 30m versus 10m for the Seiko Prospex SPEEDTIMER.

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

The Seiko Prospex SPEEDTIMER carries a 45-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 SPEEDTIMER?

Both watches run automatic movements — the Helgray Speedster (Racing Light Blue) uses the Miyota 6S21 and the Seiko Prospex SPEEDTIMER uses the 8R46.

Side by side

Helgray Speedster (Racing Light Blue)vsSeiko Prospex SPEEDTIMER

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 SPEEDTIMER

srq037j1

MSRP $3,000

At a glance

11 of 29 specs differ

Diameter

Speedster (Racing Light Blue)39mm

Prospex SPEEDTIMER42.5mm

Power Reserve

Speedster (Racing Light Blue)40h

Prospex SPEEDTIMER45h

Water Resistance

Speedster (Racing Light Blue)30m

Prospex SPEEDTIMER100m

MSRP

Speedster (Racing Light Blue)$299

Prospex SPEEDTIMER$3,000

Full specifications

Case

4 specs

Diameter

39mm

42.5mm

Thickness

12mm

15.1mm

Lug-to-Lug

46mm

50mm

Water Resistance

30m

100m

Crystal & Dial

3 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Miyota 6S21

8R46

Power Reserve

40h

45h

Jewels

Pricing

1 specs

MSRP

$299

$3,000

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