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

At MSRP the Helgray Speedster (Racing Light Blue) is the cheaper of the two at $299, against $6,500 for the Seiko Prospex LX line — a $6,201 gap before any retailer discounting.

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

The Seiko Prospex LX line wears larger at 44.8mm versus 39mm for the Helgray Speedster (Racing Light Blue) — a 5.8mm difference across the dial.

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

The Seiko Prospex LX line is rated to 300m versus 30m for the Helgray Speedster (Racing Light Blue).

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

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

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

The Seiko Prospex LX line runs a spring drive caliber (5R65), while the Helgray Speedster (Racing Light Blue) runs a automatic (Miyota 6S21).

Side by side

Seiko Prospex LX linevsHelgray Speedster (Racing Light Blue)

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

Seiko Prospex LX line

snr029j1

MSRP $6,500

Helgray Speedster (Racing Light Blue)

speedster-racing-light-blue

MSRP $299

At a glance

14 of 29 specs differ

Diameter

Prospex LX line44.8mm

Speedster (Racing Light Blue)39mm

Power Reserve

Prospex LX line72h

Speedster (Racing Light Blue)40h

Water Resistance

Prospex LX line300m

Speedster (Racing Light Blue)30m

MSRP

Prospex LX line$6,500

Speedster (Racing Light Blue)$299

Full specifications

Case

7 specs

Crystal & Dial

2 specs

AR Coating

Anti-reflective coating on inner surface

Inner

Lume

LumiBrite on hands and index(es)

None

Movement

4 specs

Caliber

5R65

Miyota 6S21

Type

Spring Drive

Automatic

Power Reserve

72h

40h

Jewels

Pricing

1 specs

MSRP

$6,500

$299

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