Which is cheaper, the Marathon CeraShell Pilot's Navigator or the Formex Reef 42 mm?

At MSRP the Marathon CeraShell Pilot's Navigator is the cheaper of the two at $550, against $2,414 for the Formex Reef 42 mm — a $1,864 gap before any retailer discounting.

Which is bigger, the Marathon CeraShell Pilot's Navigator or the Formex Reef 42 mm?

The Formex Reef 42 mm wears larger at 42mm versus 41mm for the Marathon CeraShell Pilot's Navigator — a 1mm difference across the dial.

Which has better water resistance, the Marathon CeraShell Pilot's Navigator or the Formex Reef 42 mm?

The Formex Reef 42 mm is rated to 300m versus 60m for the Marathon CeraShell Pilot's Navigator.

Which has a longer power reserve, the Marathon CeraShell Pilot's Navigator or the Formex Reef 42 mm?

The Formex Reef 42 mm carries a 56-hour power reserve against 40 hours on the Marathon CeraShell Pilot's Navigator.

What movement does the Marathon CeraShell Pilot's Navigator run compared to the Formex Reef 42 mm?

The Marathon CeraShell Pilot's Navigator runs a quartz caliber (ETA F06), while the Formex Reef 42 mm runs a automatic (Sellita SW300-1).

Side by side

Marathon CeraShell Pilot's NavigatorvsFormex Reef 42 mm

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

Marathon CeraShell Pilot's Navigator

41mm-cerashell-quartz-navigator-nav-on-ballistic-nylon-strap

MSRP $550

Formex Reef 42 mm

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

MSRP $2,414

At a glance

12 of 29 specs differ

Diameter

CeraShell Pilot's Navigator41mm

Reef 42 mm42mm

Power Reserve

CeraShell Pilot's Navigator40h

Reef 42 mm56h

Water Resistance

CeraShell Pilot's Navigator60m

Reef 42 mm300m

MSRP

CeraShell Pilot's Navigator$550

Reef 42 mm$2,414

Full specifications

Case

7 specs

Crystal & Dial

1 specs

Lume

None

Super-LumiNova

Movement

3 specs

Caliber

ETA F06

Sellita SW300-1

Type

Quartz

Automatic

Power Reserve

40h

56h

Pricing

1 specs

MSRP

$550

$2,414

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