Which is cheaper, the Marathon Steel Navigator SSNAV Auto or the Helgray Poseidon Diver (Automatic)?

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $1,300 for the Marathon Steel Navigator SSNAV Auto — a $1,051 gap before any retailer discounting.

Which is bigger, the Marathon Steel Navigator SSNAV Auto or the Helgray Poseidon Diver (Automatic)?

The Marathon Steel Navigator SSNAV Auto 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 Steel Navigator SSNAV Auto or the Helgray Poseidon Diver (Automatic)?

The Helgray Poseidon Diver (Automatic) is rated to 300m versus 60m for the Marathon Steel Navigator SSNAV Auto.

What movement does the Marathon Steel Navigator SSNAV Auto run compared to the Helgray Poseidon Diver (Automatic)?

Both watches run automatic movements — the Marathon Steel Navigator SSNAV Auto uses the Sellita SW200-1 and the Helgray Poseidon Diver (Automatic) uses the NH35 Warranty.

Side by side

Marathon Steel Navigator SSNAV AutovsHelgray Poseidon Diver (Automatic)

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

Marathon Steel Navigator SSNAV Auto

41mm-steel-navigator-automatic-ssnav-auto-on-ballistic-nylon

MSRP $1,300

Helgray Poseidon Diver (Automatic)

poseidon-diver-automatic

MSRP $249

At a glance

8 of 29 specs differ

Diameter

Steel Navigator SSNAV Auto41mm

Poseidon Diver (Automatic)40mm

Power Reserve

Steel Navigator SSNAV Auto40h

Poseidon Diver (Automatic)40h

Water Resistance

Steel Navigator SSNAV Auto60m

Poseidon Diver (Automatic)300m

MSRP

Steel Navigator SSNAV Auto$1,300

Poseidon Diver (Automatic)$249

Full specifications

Case

6 specs

Movement

1 specs

Caliber

Sellita SW200-1

NH35 Warranty

Pricing

1 specs

MSRP

$1,300

$249

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