Which is cheaper, the Beaufort Permian Rift or the Seiko Prospex SPEEDTIMER?

At MSRP the Beaufort Permian Rift is the cheaper of the two at $325, against $725 for the Seiko Prospex SPEEDTIMER — a $400 gap before any retailer discounting.

Which is bigger, the Beaufort Permian Rift or the Seiko Prospex SPEEDTIMER?

The Seiko Prospex SPEEDTIMER wears larger at 39mm versus 38mm for the Beaufort Permian Rift — a 1mm difference across the dial.

Which has better water resistance, the Beaufort Permian Rift or the Seiko Prospex SPEEDTIMER?

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

What movement does the Beaufort Permian Rift run compared to the Seiko Prospex SPEEDTIMER?

The Beaufort Permian Rift runs a automatic caliber (Hangzhou 5000A), while the Seiko Prospex SPEEDTIMER runs a quartz (Seiko V192).

Side by side

Beaufort Permian RiftvsSeiko Prospex SPEEDTIMER

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

Add a watch

Beaufort Permian Rift

MSRP $325

See the full Permian Rift

Seiko Prospex SPEEDTIMER

MSRP $725

See the full Prospex SPEEDTIMER

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

At a glance

14 of 29 specs differ

Diameter

Permian Rift38mm

Prospex SPEEDTIMER39mm

Power Reserve

Permian Rift42h

Prospex SPEEDTIMER—

Water Resistance

Permian Rift50m

Prospex SPEEDTIMER100m

MSRP

Permian Rift$325

Prospex SPEEDTIMER$725

Full specifications

Case

6 specs

Crystal & Dial

4 specs

Crystal Shape

—

Curved

AR Coating

—

Anti-reflective coating on inner surface

Dial Color

—

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Hangzhou 5000A

Seiko V192

Type

Automatic

Quartz

Power Reserve

42h

Pricing

1 specs

MSRP

$325

$725

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Asterisk Watchesmicro

DiscussionNot started

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Cincinnati Watch Company Rico the PorcupinevsSeiko Prospex SPEEDTIMER Cincinnati Watch Company Cincinnati's Riverfront #1vsSeiko Prospex SPEEDTIMER Feynman Timekeepers CoalescevsSeiko Prospex SPEEDTIMER Asterisk Watches Jump Hour Watch 3-hand automatic 38mm (full-scene dial, no aperture)vsSeiko Prospex SPEEDTIMER AV86 1960 Racing ChronographvsBeaufort Permian Rift Beaufort Permian RiftvsDan Henry 1964

Edit this comparison Add another watch Explore more 37–40mm watches

Beaufort Permian RiftvsSeiko Prospex SPEEDTIMER

At a glance

Full specifications

More watches worth a look

Charley Harper Turtleneck

1964

Jump Hour Watch 3-hand automatic 38mm (full-scene dial, no aperture)

Chrono Diver Gen 2

CityMaps

Type H-75

T. G. Masaryk

GT Racing Chronograph

People also compared