Which is cheaper, the Helgray Poseidon Diver (Automatic) or the Spinnaker Tesei Mille Metri GMT?

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $559 for the Spinnaker Tesei Mille Metri GMT — a $310 gap before any retailer discounting.

Which is bigger, the Helgray Poseidon Diver (Automatic) or the Spinnaker Tesei Mille Metri GMT?

The Spinnaker Tesei Mille Metri GMT wears larger at 44mm versus 40mm for the Helgray Poseidon Diver (Automatic) — a 4mm difference across the dial.

Which has better water resistance, the Helgray Poseidon Diver (Automatic) or the Spinnaker Tesei Mille Metri GMT?

The Spinnaker Tesei Mille Metri GMT is rated to 1000m versus 300m for the Helgray Poseidon Diver (Automatic).

What movement does the Helgray Poseidon Diver (Automatic) run compared to the Spinnaker Tesei Mille Metri GMT?

Both watches run automatic movements — the Helgray Poseidon Diver (Automatic) uses the NH35 Warranty and the Spinnaker Tesei Mille Metri GMT uses the Seiko NH34A.

Side by side

Helgray Poseidon Diver (Automatic)vsSpinnaker Tesei Mille Metri GMT

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

Helgray Poseidon Diver (Automatic)

poseidon-diver-automatic

MSRP $249

Spinnaker Tesei Mille Metri GMT

tesei-mille-metri-gmt-midnight-black-sp-5091-11

MSRP $559

At a glance

9 of 29 specs differ

Diameter

Poseidon Diver (Automatic)40mm

Tesei Mille Metri GMT44mm

Power Reserve

Poseidon Diver (Automatic)40h

Tesei Mille Metri GMT40h

Water Resistance

Poseidon Diver (Automatic)300m

Tesei Mille Metri GMT1,000m

MSRP

Poseidon Diver (Automatic)$249

Tesei Mille Metri GMT$559

Full specifications

Case

7 specs

Movement

1 specs

Caliber

NH35 Warranty

Seiko NH34A

Pricing

1 specs

MSRP

$249

$559

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