Which is cheaper, the Borealis Watch Co. Caloura 300m or the Marathon CeraShell Pilot's Navigator?

At MSRP the Borealis Watch Co. Caloura 300m is the cheaper of the two at $275, against $550 for the Marathon CeraShell Pilot's Navigator — a $275 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Caloura 300m or the Marathon CeraShell Pilot's Navigator?

The Borealis Watch Co. Caloura 300m 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 Borealis Watch Co. Caloura 300m or the Marathon CeraShell Pilot's Navigator?

The Borealis Watch Co. Caloura 300m is rated to 300m versus 60m for the Marathon CeraShell Pilot's Navigator.

What movement does the Borealis Watch Co. Caloura 300m run compared to the Marathon CeraShell Pilot's Navigator?

The Borealis Watch Co. Caloura 300m runs a automatic caliber (NH35), while the Marathon CeraShell Pilot's Navigator runs a quartz (ETA F06).

Side by side

Borealis Watch Co. Caloura 300mvsMarathon CeraShell Pilot's Navigator

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

Borealis Watch Co.Caloura 300m

borealis-caloura-diver-watch

MSRP $275

Marathon CeraShell Pilot's Navigator

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

MSRP $550

At a glance

11 of 29 specs differ

Diameter

Caloura 300m42mm

CeraShell Pilot's Navigator41mm

Power Reserve

Caloura 300m40h

CeraShell Pilot's Navigator40h

Water Resistance

Caloura 300m300m

CeraShell Pilot's Navigator60m

MSRP

Caloura 300m$275

CeraShell Pilot's Navigator$550

Full specifications

Case

7 specs

Crystal & Dial

1 specs

Lume

BGW9

None

Movement

2 specs

Caliber

NH35

ETA F06

Type

Automatic

Quartz

Pricing

1 specs

MSRP

$275

$550

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