Which is cheaper, the Hemel Sky Racer Mechanical or the Formex Reef 39.5 mm?

At MSRP the Hemel Sky Racer Mechanical is the cheaper of the two at $550, against $2,230 for the Formex Reef 39.5 mm — a $1,680 gap before any retailer discounting.

Which is bigger, the Hemel Sky Racer Mechanical or the Formex Reef 39.5 mm?

The Hemel Sky Racer Mechanical wears larger at 43mm versus 39.5mm for the Formex Reef 39.5 mm — a 3.5mm difference across the dial.

Which has better water resistance, the Hemel Sky Racer Mechanical or the Formex Reef 39.5 mm?

The Formex Reef 39.5 mm is rated to 300m versus 50m for the Hemel Sky Racer Mechanical.

Which has a longer power reserve, the Hemel Sky Racer Mechanical or the Formex Reef 39.5 mm?

The Formex Reef 39.5 mm carries a 56-hour power reserve against 40 hours on the Hemel Sky Racer Mechanical.

What movement does the Hemel Sky Racer Mechanical run compared to the Formex Reef 39.5 mm?

The Hemel Sky Racer Mechanical runs a manual caliber (Seagull ST19), while the Formex Reef 39.5 mm runs a automatic (Sellita SW300-1).

Side by side

Hemel Sky Racer MechanicalvsFormex Reef 39.5 mm

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

Hemel Sky Racer Mechanical

HF37MNB

MSRP $550

Formex Reef 39.5 mm

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

MSRP $2,230

At a glance

14 of 29 specs differ

Diameter

Sky Racer Mechanical43mm

Reef 39.5 mm39.5mm

Power Reserve

Sky Racer Mechanical40h

Reef 39.5 mm56h

Water Resistance

Sky Racer Mechanical50m

Reef 39.5 mm300m

MSRP

Sky Racer Mechanical$550

Reef 39.5 mm$2,230

Full specifications

Case

7 specs

Crystal & Dial

3 specs

Crystal

Domed Sapphire

Sapphire

Dial Color

Black

Bahama Blue

Lume

None

Super-LumiNova

Movement

3 specs

Caliber

Seagull ST19

Sellita SW300-1

Type

Manual

Automatic

Power Reserve

40h

56h

Pricing

1 specs

MSRP

$550

$2,230

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Hemel Sky Racer MechanicalvsFormex Reef 39.5 mm

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