Which is cheaper, the Oris Big Crown Diamonds or the Helgray Speedster (Racing Light Blue)?

At MSRP the Helgray Speedster (Racing Light Blue) is the cheaper of the two at $299, against $3,300 for the Oris Big Crown Diamonds — a $3,001 gap before any retailer discounting.

Which is bigger, the Oris Big Crown Diamonds or the Helgray Speedster (Racing Light Blue)?

The Helgray Speedster (Racing Light Blue) wears larger at 39mm versus 34mm for the Oris Big Crown Diamonds — a 5mm difference across the dial.

Which has better water resistance, the Oris Big Crown Diamonds or the Helgray Speedster (Racing Light Blue)?

The Oris Big Crown Diamonds is rated to 50m versus 30m for the Helgray Speedster (Racing Light Blue).

Which has a longer power reserve, the Oris Big Crown Diamonds or the Helgray Speedster (Racing Light Blue)?

The Helgray Speedster (Racing Light Blue) carries a 40-hour power reserve against 42 hours hours on the Oris Big Crown Diamonds.

What movement does the Oris Big Crown Diamonds run compared to the Helgray Speedster (Racing Light Blue)?

Both watches run automatic movements — the Oris Big Crown Diamonds uses the 531 and the Helgray Speedster (Racing Light Blue) uses the Miyota 6S21.

Side by side

Oris Big Crown DiamondsvsHelgray Speedster (Racing Light Blue)

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

Oris Big Crown Diamonds

01-531-7797-4094-07-8-17-06

MSRP $3,300

Helgray Speedster (Racing Light Blue)

speedster-racing-light-blue

MSRP $299

At a glance

16 of 29 specs differ

Diameter

Big Crown Diamonds34mm

Speedster (Racing Light Blue)39mm

Power Reserve

Big Crown Diamonds42 hoursh

Speedster (Racing Light Blue)40h

Water Resistance

Big Crown Diamonds50m

Speedster (Racing Light Blue)30m

MSRP

Big Crown Diamonds$3,300

Speedster (Racing Light Blue)$299

Full specifications

Case

8 specs

Crystal & Dial

3 specs

Crystal Shape

—

Flat

AR Coating

Underside

Inner

Indices

—

Applied

Movement

4 specs

Caliber

531

Miyota 6S21

Beat Rate

4 vph

28,800 vph

Power Reserve

42 hoursh

40h

Jewels

—

Pricing

1 specs

MSRP

$3,300

$299

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