Which is cheaper, the CWC Mellor-72 Mechanical Watch or the Helgray Poseidon Diver (Automatic)?

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $499 for the CWC Mellor-72 Mechanical Watch — a $250 gap before any retailer discounting.

Which is bigger, the CWC Mellor-72 Mechanical Watch or the Helgray Poseidon Diver (Automatic)?

The Helgray Poseidon Diver (Automatic) wears larger at 40mm versus 38mm for the CWC Mellor-72 Mechanical Watch — a 2mm difference across the dial.

Which has better water resistance, the CWC Mellor-72 Mechanical Watch or the Helgray Poseidon Diver (Automatic)?

The Helgray Poseidon Diver (Automatic) is rated to 300m versus 50m for the CWC Mellor-72 Mechanical Watch.

What movement does the CWC Mellor-72 Mechanical Watch run compared to the Helgray Poseidon Diver (Automatic)?

The CWC Mellor-72 Mechanical Watch runs a manual caliber (Sellita SW210), while the Helgray Poseidon Diver (Automatic) runs a automatic (NH35 Warranty).

Side by side

CWC Mellor-72 Mechanical WatchvsHelgray Poseidon Diver (Automatic)

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

CWC Mellor-72 Mechanical Watch

cwc-navigator-mechanical-hand-wound-gs-watch-1970-pattern

MSRP $499

Helgray Poseidon Diver (Automatic)

poseidon-diver-automatic

MSRP $249

At a glance

11 of 29 specs differ

Diameter

Mellor-72 Mechanical Watch38mm

Poseidon Diver (Automatic)40mm

Power Reserve

Mellor-72 Mechanical Watch40h

Poseidon Diver (Automatic)40h

Water Resistance

Mellor-72 Mechanical Watch50m

Poseidon Diver (Automatic)300m

MSRP

Mellor-72 Mechanical Watch$499

Poseidon Diver (Automatic)$249

Full specifications

Case

5 specs

Crystal & Dial

3 specs

Crystal

Acrylic

Sapphire

Dial Color

CWC Mellor-72 Mechanical Watch

Black

Lume

Super-LumiNova

None

Movement

2 specs

Caliber

Sellita SW210

NH35 Warranty

Type

Manual

Automatic

Pricing

1 specs

MSRP

$499

$249

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