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

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $1,400 for the Marathon Steel Navigator SSNAV-D Auto — a $1,151 gap before any retailer discounting.

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

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

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

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

Both watches run automatic movements — the Marathon Steel Navigator SSNAV-D Auto uses the Sellita SW220-1 and the Helgray Poseidon Diver (Automatic) uses the NH35 Warranty.

Side by side

Marathon Steel Navigator SSNAV-D AutovsHelgray Poseidon Diver (Automatic)

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

Marathon Steel Navigator SSNAV-D Auto

41mm-steel-navigator-automatic-w-date-ssnav-d-on-ballistic-nylon

MSRP $1,400

Helgray Poseidon Diver (Automatic)

poseidon-diver-automatic

MSRP $249

At a glance

8 of 29 specs differ

Diameter

Steel Navigator SSNAV-D Auto41mm

Poseidon Diver (Automatic)40mm

Power Reserve

Steel Navigator SSNAV-D Auto40h

Poseidon Diver (Automatic)40h

Water Resistance

Steel Navigator SSNAV-D Auto60m

Poseidon Diver (Automatic)300m

MSRP

Steel Navigator SSNAV-D Auto$1,400

Poseidon Diver (Automatic)$249

Full specifications

Case

6 specs

Movement

1 specs

Caliber

Sellita SW220-1

NH35 Warranty

Pricing

1 specs

MSRP

$1,400

$249

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