Which is cheaper, the Momentum Atlas Automatic or the Helgray Poseidon Diver (Automatic)?

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $495 for the Momentum Atlas Automatic — a $246 gap before any retailer discounting.

Which is bigger, the Momentum Atlas Automatic or the Helgray Poseidon Diver (Automatic)?

The Helgray Poseidon Diver (Automatic) wears larger at 40mm versus 38mm for the Momentum Atlas Automatic — a 2mm difference across the dial.

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

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

What movement does the Momentum Atlas Automatic run compared to the Helgray Poseidon Diver (Automatic)?

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

Side by side

Momentum Atlas AutomaticvsHelgray Poseidon Diver (Automatic)

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

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Momentum Atlas Automatic

atlas-automatic-38mm

MSRP $495

See the full Atlas Automatic

Helgray Poseidon Diver (Automatic)

poseidon-diver-automatic

MSRP $249

See the full Poseidon Diver (Automatic)

At a glance

10 of 29 specs differ

Diameter

Atlas Automatic38mm

Poseidon Diver (Automatic)40mm

Power Reserve

Atlas Automatic42h

Poseidon Diver (Automatic)40h

Water Resistance

Atlas Automatic—

Poseidon Diver (Automatic)300m

MSRP

Atlas Automatic$495

Poseidon Diver (Automatic)$249

Full specifications

Case

6 specs

Crystal & Dial

1 specs

Dial Color

—

Black

Movement

2 specs

Caliber

Miyota 9015

NH35 Warranty

Power Reserve

42h

40h

Pricing

1 specs

MSRP

$495

$249

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Momentum Atlas AutomaticvsHelgray Poseidon Diver (Automatic)

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