Which is bigger, the Nadir Vespera or the Helgray Poseidon Diver (Automatic)?

The Nadir Vespera wears larger at 42mm versus 40mm for the Helgray Poseidon Diver (Automatic) — a 2mm difference across the dial.

Which has better water resistance, the Nadir Vespera or the Helgray Poseidon Diver (Automatic)?

The Helgray Poseidon Diver (Automatic) is rated to 300m versus 100m for the Nadir Vespera.

Which has a longer power reserve, the Nadir Vespera or the Helgray Poseidon Diver (Automatic)?

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

What movement does the Nadir Vespera run compared to the Helgray Poseidon Diver (Automatic)?

Both watches run automatic movements — the Nadir Vespera uses the Miyota 9015 and the Helgray Poseidon Diver (Automatic) uses the NH35 Warranty.

Side by side

Nadir VesperavsHelgray Poseidon Diver (Automatic)

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

Add a watch

Nadir Vespera

nadir-vespera-grey

Helgray Poseidon Diver (Automatic)

poseidon-diver-automatic

MSRP $249

At a glance

11 of 29 specs differ

Diameter

Vespera42mm

Poseidon Diver (Automatic)40mm

Power Reserve

Vespera42h

Poseidon Diver (Automatic)40h

Water Resistance

Vespera100m

Poseidon Diver (Automatic)300m

MSRP

Vespera—

Poseidon Diver (Automatic)$249

Full specifications

Case

5 specs

Crystal & Dial

2 specs

Dial Color

Grey

Black

Lume

Super-LumiNova BGW9

None

Movement

3 specs

Caliber

Miyota 9015

NH35 Warranty

Power Reserve

42h

40h

Jewels

Pricing

1 specs

MSRP

—

$249

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Nadir VesperavsHelgray Poseidon Diver (Automatic)

At a glance

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