Which is cheaper, the Helgray Poseidon Diver (Automatic) or the Seiko 5 Sports SKX series?

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $315 for the Seiko 5 Sports SKX series — a $66 gap before any retailer discounting.

Which is bigger, the Helgray Poseidon Diver (Automatic) or the Seiko 5 Sports SKX series?

The Helgray Poseidon Diver (Automatic) wears larger at 40mm versus 28mm for the Seiko 5 Sports SKX series — a 12mm difference across the dial.

Which has better water resistance, the Helgray Poseidon Diver (Automatic) or the Seiko 5 Sports SKX series?

The Helgray Poseidon Diver (Automatic) is rated to 300m versus 10m for the Seiko 5 Sports SKX series.

What movement does the Helgray Poseidon Diver (Automatic) run compared to the Seiko 5 Sports SKX series?

Both watches run automatic movements — the Helgray Poseidon Diver (Automatic) uses the NH35 Warranty and the Seiko 5 Sports SKX series uses the 2R06.

Side by side

Helgray Poseidon Diver (Automatic)vsSeiko 5 Sports SKX series

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

Seiko 5 Sports SKX series

sre003

MSRP $315

At a glance

11 of 29 specs differ

Diameter

Poseidon Diver (Automatic)40mm

5 Sports SKX series28mm

Power Reserve

Poseidon Diver (Automatic)40h

5 Sports SKX series40h

Water Resistance

Poseidon Diver (Automatic)300m

5 Sports SKX series100m

MSRP

Poseidon Diver (Automatic)$249

5 Sports SKX series$315

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Hardlex

Lume

None

LumiBrite on hands and index(es)

Movement

2 specs

Caliber

NH35 Warranty

2R06

Jewels

Pricing

1 specs

MSRP

$249

$315

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