Which is cheaper, the Oblvlo GCM Mechanical or the Helgray Poseidon Diver (Automatic)?

At MSRP the Oblvlo GCM Mechanical is the cheaper of the two at $231, against $249 for the Helgray Poseidon Diver (Automatic) — a $18 gap before any retailer discounting.

Which is bigger, the Oblvlo GCM Mechanical or the Helgray Poseidon Diver (Automatic)?

The Oblvlo GCM Mechanical wears larger at 41mm versus 40mm for the Helgray Poseidon Diver (Automatic) — a 1mm difference across the dial.

Which has better water resistance, the Oblvlo GCM Mechanical or the Helgray Poseidon Diver (Automatic)?

The Helgray Poseidon Diver (Automatic) is rated to 300m versus 50m for the Oblvlo GCM Mechanical.

Which has a longer power reserve, the Oblvlo GCM Mechanical or the Helgray Poseidon Diver (Automatic)?

The Oblvlo GCM Mechanical carries a 42-hour power reserve against 40 hours on the Helgray Poseidon Diver (Automatic).

What movement does the Oblvlo GCM Mechanical run compared to the Helgray Poseidon Diver (Automatic)?

Both watches run automatic movements — the Oblvlo GCM Mechanical uses the Miyota 82S5 and the Helgray Poseidon Diver (Automatic) uses the NH35 Warranty.

Side by side

Oblvlo GCM MechanicalvsHelgray Poseidon Diver (Automatic)

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

Oblvlo GCM Mechanical

GCM-MUT

MSRP $231

Helgray Poseidon Diver (Automatic)

poseidon-diver-automatic

MSRP $249

At a glance

8 of 29 specs differ

Diameter

GCM Mechanical41mm

Poseidon Diver (Automatic)40mm

Power Reserve

GCM Mechanical42h

Poseidon Diver (Automatic)40h

Water Resistance

GCM Mechanical50m

Poseidon Diver (Automatic)300m

MSRP

GCM Mechanical$231

Poseidon Diver (Automatic)$249

Full specifications

Case

4 specs

Crystal & Dial

1 specs

Lume

Super-LumiNova

None

Movement

2 specs

Caliber

Miyota 82S5

NH35 Warranty

Power Reserve

42h

40h

Pricing

1 specs

MSRP

$231

$249

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