Which is cheaper, the Hemel HD24 Automatic or the Formex Reef 39.5 mm?

At MSRP the Hemel HD24 Automatic is the cheaper of the two at $300, against $2,230 for the Formex Reef 39.5 mm — a $1,930 gap before any retailer discounting.

Which is bigger, the Hemel HD24 Automatic or the Formex Reef 39.5 mm?

The Hemel HD24 Automatic wears larger at 40mm versus 39.5mm for the Formex Reef 39.5 mm — a 0.5mm difference across the dial.

Which has better water resistance, the Hemel HD24 Automatic or the Formex Reef 39.5 mm?

The Formex Reef 39.5 mm is rated to 300m versus 200m for the Hemel HD24 Automatic.

Which has a longer power reserve, the Hemel HD24 Automatic 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 HD24 Automatic.

What movement does the Hemel HD24 Automatic run compared to the Formex Reef 39.5 mm?

Both watches run automatic movements — the Hemel HD24 Automatic uses the Seiko NH38A and the Formex Reef 39.5 mm uses the Sellita SW300-1.

Side by side

Hemel HD24 AutomaticvsFormex Reef 39.5 mm

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

Hemel HD24 Automatic

the-gallant

MSRP $300

Formex Reef 39.5 mm

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

MSRP $2,230

At a glance

12 of 29 specs differ

Diameter

HD24 Automatic40mm

Reef 39.5 mm39.5mm

Power Reserve

HD24 Automatic40h

Reef 39.5 mm56h

Water Resistance

HD24 Automatic200m

Reef 39.5 mm300m

MSRP

HD24 Automatic$300

Reef 39.5 mm$2,230

Full specifications

Case

6 specs

Diameter

40mm

39.5mm

Thickness

13mm

11mm

Lug-to-Lug

48mm

45.5mm

Lug Width

20mm

22mm

Material

316L Stainless Steel

Stainless Steel

Water Resistance

200m

300m

Crystal & Dial

3 specs

Crystal

Domed Sapphire

Sapphire

Dial Color

Gallant USAF Edition

Bahama Blue

Lume

None

Super-LumiNova

Movement

2 specs

Caliber

Seiko NH38A

Sellita SW300-1

Power Reserve

40h

56h

Pricing

1 specs

MSRP

$300

$2,230

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Hemel HD24 AutomaticvsFormex Reef 39.5 mm

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