Side by side

Orologi Calamai GMT AutomaticovsHelgray Poseidon Diver (Automatic)

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

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GMT Automatico
Orologi CalamaiGMT Automatico
Poseidon Diver (Automatic)
HelgrayPoseidon Diver (Automatic)
MSRP $249
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Buy from Helgray ↗
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At a glance

9 of 29 specs differ
Diameter
GMT Automatico39mm
Poseidon Diver (Automatic)40mm
Power Reserve
GMT Automatico50h
Poseidon Diver (Automatic)40h
Water Resistance
GMT Automatico50m
Poseidon Diver (Automatic)300m
MSRP
GMT Automatico—
Poseidon Diver (Automatic)$249

Full specifications

Case

6 specs
Category
—
Diver
Diameter
39mm
40mm
Thickness
10.5mm
12mm
Lug-to-Lug
47.5mm
46mm
Material
Unknown
Stainless Steel
Water Resistance
50m
300m

Movement

2 specs
Caliber
Sellita SW330-2 Top
NH35 Warranty
Power Reserve
50h
40h

Pricing

1 specs
MSRP
—
$249
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