Which is cheaper, the Geckota Phalanx or the Formex Reef 39.5 mm?

At MSRP the Geckota Phalanx is the cheaper of the two at $349, against $2,230 for the Formex Reef 39.5 mm — a $1,881 gap before any retailer discounting.

Which is bigger, the Geckota Phalanx or the Formex Reef 39.5 mm?

The Geckota Phalanx wears larger at 42mm versus 39.5mm for the Formex Reef 39.5 mm — a 2.5mm difference across the dial.

Which has a longer power reserve, the Geckota Phalanx or the Formex Reef 39.5 mm?

The Formex Reef 39.5 mm carries a 56-hour power reserve against 40 hours on the Geckota Phalanx.

What movement does the Geckota Phalanx run compared to the Formex Reef 39.5 mm?

Both watches run automatic movements — the Geckota Phalanx uses the ETA 2824 and the Formex Reef 39.5 mm uses the Sellita SW300-1.

Side by side

Geckota PhalanxvsFormex Reef 39.5 mm

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

Geckota Phalanx

phalanx-satin-reef-green

MSRP $349

Formex Reef 39.5 mm

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

MSRP $2,230

At a glance

10 of 29 specs differ

Diameter

Phalanx42mm

Reef 39.5 mm39.5mm

Power Reserve

Phalanx40h

Reef 39.5 mm56h

Water Resistance

Phalanx300m

Reef 39.5 mm300m

MSRP

Phalanx$349

Reef 39.5 mm$2,230

Full specifications

Case

5 specs

Diameter

42mm

39.5mm

Thickness

13.9mm

11mm

Lug-to-Lug

—

45.5mm

Lug Width

—

22mm

Material

316L Stainless Steel

Stainless Steel

Crystal & Dial

2 specs

Dial Color

Green

Bahama Blue

Lume

None

Super-LumiNova

Movement

2 specs

Caliber

ETA 2824

Sellita SW300-1

Power Reserve

40h

56h

Pricing

1 specs

MSRP

$349

$2,230

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Geckota PhalanxvsFormex Reef 39.5 mm

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