Which is bigger, the Beaufort Permian Rift or the Seiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition?

The Seiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition wears larger at 42.5mm versus 38mm for the Beaufort Permian Rift — a 4.5mm difference across the dial.

Which has better water resistance, the Beaufort Permian Rift or the Seiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition?

The Beaufort Permian Rift is rated to 50m versus 10m for the Seiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition.

Which has a longer power reserve, the Beaufort Permian Rift or the Seiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition?

The Seiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition carries a 45-hour power reserve against 42 hours on the Beaufort Permian Rift.

What movement does the Beaufort Permian Rift run compared to the Seiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition?

Both watches run automatic movements — the Beaufort Permian Rift uses the HZ5000A and the Seiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition uses the 8R46.

Side by side

Beaufort Permian RiftvsSeiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition

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

Seiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition

srq045j1

MSRP $3,000

At a glance

14 of 29 specs differ

Diameter

Permian Rift38mm

Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition42.5mm

Power Reserve

Permian Rift42h

Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition45h

Water Resistance

Permian Rift50m

Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition100m

MSRP

Permian Rift—

Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition$3,000

Full specifications

Case

6 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

—

Black

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

HZ5000A

8R46

Power Reserve

42h

45h

Jewels

Pricing

1 specs

MSRP

—

$3,000

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Beaufort Permian RiftvsSeiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition

At a glance

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