Which is cheaper, the Bremont Supermarine 300M or the Helgray Poseidon Diver (Automatic)?

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $3,550 for the Bremont Supermarine 300M — a $3,301 gap before any retailer discounting.

What movement does the Bremont Supermarine 300M run compared to the Helgray Poseidon Diver (Automatic)?

Both watches run automatic movements — the Bremont Supermarine 300M uses the BE-92AE and the Helgray Poseidon Diver (Automatic) uses the NH35 Warranty.

Side by side

Bremont Supermarine 300MvsHelgray Poseidon Diver (Automatic)

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

Bremont Supermarine 300M

sm40-nd-ss-gn-b

MSRP $3,550

Helgray Poseidon Diver (Automatic)

poseidon-diver-automatic

MSRP $249

At a glance

5 of 29 specs differ

Diameter

Supermarine 300M40mm

Poseidon Diver (Automatic)40mm

Power Reserve

Supermarine 300M40h

Poseidon Diver (Automatic)40h

Water Resistance

Supermarine 300M300m

Poseidon Diver (Automatic)300m

MSRP

Supermarine 300M$3,550

Poseidon Diver (Automatic)$249

Full specifications

Case

2 specs

Lug-to-Lug

—

46mm

Material

904L Stainless Steel

Stainless Steel

Crystal & Dial

1 specs

Dial Color

Green

Black

Movement

1 specs

Caliber

BE-92AE

NH35 Warranty

Pricing

1 specs

MSRP

$3,550

$249

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