Which is cheaper, the Formex Reef 39.5 mm or the Helgray Speedster (Racing Light Blue)?

At MSRP the Helgray Speedster (Racing Light Blue) is the cheaper of the two at $299, against $2,230 for the Formex Reef 39.5 mm — a $1,931 gap before any retailer discounting.

Which is bigger, the Formex Reef 39.5 mm or the Helgray Speedster (Racing Light Blue)?

The Formex Reef 39.5 mm wears larger at 39.5mm versus 39mm for the Helgray Speedster (Racing Light Blue) — a 0.5mm difference across the dial.

Which has better water resistance, the Formex Reef 39.5 mm or the Helgray Speedster (Racing Light Blue)?

The Formex Reef 39.5 mm is rated to 300m versus 30m for the Helgray Speedster (Racing Light Blue).

Which has a longer power reserve, the Formex Reef 39.5 mm or the Helgray Speedster (Racing Light Blue)?

The Formex Reef 39.5 mm carries a 56-hour power reserve against 40 hours on the Helgray Speedster (Racing Light Blue).

What movement does the Formex Reef 39.5 mm run compared to the Helgray Speedster (Racing Light Blue)?

Both watches run automatic movements — the Formex Reef 39.5 mm uses the Sellita SW300-1 and the Helgray Speedster (Racing Light Blue) uses the Miyota 6S21.

Side by side

Formex Reef 39.5 mmvsHelgray Speedster (Racing Light Blue)

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

Formex Reef 39.5 mm

reef-39.5-automatic-chronometer-cosc-300m-bahama-blue

MSRP $2,230

Helgray Speedster (Racing Light Blue)

speedster-racing-light-blue

MSRP $299

At a glance

11 of 29 specs differ

Diameter

Reef 39.5 mm39.5mm

Speedster (Racing Light Blue)39mm

Power Reserve

Reef 39.5 mm56h

Speedster (Racing Light Blue)40h

Water Resistance

Reef 39.5 mm300m

Speedster (Racing Light Blue)30m

MSRP

Reef 39.5 mm$2,230

Speedster (Racing Light Blue)$299

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Dial Color

Bahama Blue

Black

Lume

Super-LumiNova

None

Movement

2 specs

Caliber

Sellita SW300-1

Miyota 6S21

Power Reserve

56h

40h

Pricing

1 specs

MSRP

$2,230

$299

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