Which is bigger, the Beaufort Permian Rift or the Bremont Supermarine 300M?

The Bremont Supermarine 300M wears larger at 40mm versus 38mm for the Beaufort Permian Rift — a 2mm difference across the dial.

Which has better water resistance, the Beaufort Permian Rift or the Bremont Supermarine 300M?

The Bremont Supermarine 300M is rated to 300m versus 50m for the Beaufort Permian Rift.

Which has a longer power reserve, the Beaufort Permian Rift or the Bremont Supermarine 300M?

The Beaufort Permian Rift carries a 42-hour power reserve against 40 hours on the Bremont Supermarine 300M.

What movement does the Beaufort Permian Rift run compared to the Bremont Supermarine 300M?

Both watches run automatic movements — the Beaufort Permian Rift uses the HZ5000A and the Bremont Supermarine 300M uses the BE-92AE.

Side by side

Beaufort Permian RiftvsBremont Supermarine 300M

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

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Beaufort Permian Rift

permian-rift-azurite

Bremont Supermarine 300M

sm40-nd-ss-gn-b

MSRP $3,550

At a glance

11 of 29 specs differ

Diameter

Permian Rift38mm

Supermarine 300M40mm

Power Reserve

Permian Rift42h

Supermarine 300M40h

Water Resistance

Permian Rift50m

Supermarine 300M300m

MSRP

Permian Rift—

Supermarine 300M$3,550

Full specifications

Case

7 specs

Crystal & Dial

1 specs

Dial Color

—

Green

Movement

2 specs

Caliber

HZ5000A

BE-92AE

Power Reserve

42h

40h

Pricing

1 specs

MSRP

—

$3,550

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Beaufort Permian RiftvsBremont Supermarine 300M

At a glance

Full specifications

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