Which is cheaper, the Zelos Steel Blue (sellita) or the Formex Reef 42 mm?

At MSRP the Zelos Steel Blue (sellita) is the cheaper of the two at $629, against $2,414 for the Formex Reef 42 mm — a $1,785 gap before any retailer discounting.

Which is bigger, the Zelos Steel Blue (sellita) or the Formex Reef 42 mm?

The Formex Reef 42 mm wears larger at 42mm versus 39mm for the Zelos Steel Blue (sellita) — a 3mm difference across the dial.

Which has better water resistance, the Zelos Steel Blue (sellita) or the Formex Reef 42 mm?

The Formex Reef 42 mm is rated to 300m versus 50m for the Zelos Steel Blue (sellita).

Which has a longer power reserve, the Zelos Steel Blue (sellita) or the Formex Reef 42 mm?

The Formex Reef 42 mm carries a 56-hour power reserve against 40 hours on the Zelos Steel Blue (sellita).

What movement does the Zelos Steel Blue (sellita) run compared to the Formex Reef 42 mm?

The Zelos Steel Blue (sellita) runs a manual caliber (ETA/Peseux 7001), while the Formex Reef 42 mm runs a automatic (Sellita SW300-1).

Side by side

Zelos Steel Blue (sellita)vsFormex Reef 42 mm

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

Zelos Steel Blue (sellita)

comet-39mm-steel-blue

MSRP $629

Formex Reef 42 mm

reef-42mm-automatic-cosc-300m-black

MSRP $2,414

At a glance

14 of 29 specs differ

Diameter

Steel Blue (sellita)39mm

Reef 42 mm42mm

Power Reserve

Steel Blue (sellita)40h

Reef 42 mm56h

Water Resistance

Steel Blue (sellita)50m

Reef 42 mm300m

MSRP

Steel Blue (sellita)$629

Reef 42 mm$2,414

Full specifications

Case

7 specs

Crystal & Dial

3 specs

Crystal

Domed Sapphire

Sapphire

Dial Color

Steel Blue (Sellita)

Black

Lume

None

Super-LumiNova

Movement

3 specs

Caliber

ETA/Peseux 7001

Sellita SW300-1

Type

Manual

Automatic

Power Reserve

40h

56h

Pricing

1 specs

MSRP

$629

$2,414

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Zelos Steel Blue (sellita)vsFormex Reef 42 mm

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