Which is cheaper, the Marathon CeraShell Pilot's Navigator or the Helgray Poseidon Diver (Automatic)?

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $550 for the Marathon CeraShell Pilot's Navigator — a $301 gap before any retailer discounting.

Which is bigger, the Marathon CeraShell Pilot's Navigator or the Helgray Poseidon Diver (Automatic)?

The Marathon CeraShell Pilot's Navigator wears larger at 41mm versus 40mm for the Helgray Poseidon Diver (Automatic) — a 1mm difference across the dial.

Which has better water resistance, the Marathon CeraShell Pilot's Navigator or the Helgray Poseidon Diver (Automatic)?

The Helgray Poseidon Diver (Automatic) is rated to 300m versus 60m for the Marathon CeraShell Pilot's Navigator.

What movement does the Marathon CeraShell Pilot's Navigator run compared to the Helgray Poseidon Diver (Automatic)?

The Marathon CeraShell Pilot's Navigator runs a quartz caliber (ETA F06), while the Helgray Poseidon Diver (Automatic) runs a automatic (NH35 Warranty).

Side by side

Marathon CeraShell Pilot's NavigatorvsHelgray Poseidon Diver (Automatic)

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

Helgray Poseidon Diver (Automatic)

poseidon-diver-automatic

MSRP $249

At a glance

9 of 29 specs differ

Diameter

CeraShell Pilot's Navigator41mm

Poseidon Diver (Automatic)40mm

Power Reserve

CeraShell Pilot's Navigator40h

Poseidon Diver (Automatic)40h

Water Resistance

CeraShell Pilot's Navigator60m

Poseidon Diver (Automatic)300m

MSRP

CeraShell Pilot's Navigator$550

Poseidon Diver (Automatic)$249

Full specifications

Case

6 specs

Movement

2 specs

Caliber

ETA F06

NH35 Warranty

Type

Quartz

Automatic

Pricing

1 specs

MSRP

$550

$249

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