Which is cheaper, the Helgray Poseidon Diver (Automatic) or the Gruppo Gamma Field III GMT?

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $459 for the Gruppo Gamma Field III GMT — a $210 gap before any retailer discounting.

Which has better water resistance, the Helgray Poseidon Diver (Automatic) or the Gruppo Gamma Field III GMT?

The Helgray Poseidon Diver (Automatic) is rated to 300m versus 200m for the Gruppo Gamma Field III GMT.

Which has a longer power reserve, the Helgray Poseidon Diver (Automatic) or the Gruppo Gamma Field III GMT?

The Gruppo Gamma Field III GMT carries a 41-hour power reserve against 40 hours on the Helgray Poseidon Diver (Automatic).

What movement does the Helgray Poseidon Diver (Automatic) run compared to the Gruppo Gamma Field III GMT?

Both watches run automatic movements — the Helgray Poseidon Diver (Automatic) uses the NH35 Warranty and the Gruppo Gamma Field III GMT uses the Seiko Instruments NH38A.

Side by side

Helgray Poseidon Diver (Automatic)vsGruppo Gamma Field III 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

Gruppo Gamma Field III GMT

venturo-gmt

MSRP $459

At a glance

11 of 29 specs differ

Diameter

Poseidon Diver (Automatic)40mm

Field III GMT40mm

Power Reserve

Poseidon Diver (Automatic)40h

Field III GMT41h

Water Resistance

Poseidon Diver (Automatic)300m

Field III GMT200m

MSRP

Poseidon Diver (Automatic)$249

Field III GMT$459

Full specifications

Case

5 specs

Crystal & Dial

2 specs

AR Coating

Inner

Yes

Lume

None

Super-LumiNova

Movement

3 specs

Caliber

NH35 Warranty

Seiko Instruments NH38A

Power Reserve

40h

41h

Complications

None

GMT

Pricing

1 specs

MSRP

$249

$459

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