Which is cheaper, the Fears X James Porter & Son LE or the Seiko Prospex SPEEDTIMER Mechanical?

At MSRP the Seiko Prospex SPEEDTIMER Mechanical is the cheaper of the two at $995, against $3,292 for the Fears X James Porter & Son LE — a $2,297 gap before any retailer discounting.

Which is bigger, the Fears X James Porter & Son LE or the Seiko Prospex SPEEDTIMER Mechanical?

The Seiko Prospex SPEEDTIMER Mechanical wears larger at 39.5mm versus 38mm for the Fears X James Porter & Son LE — a 1.5mm difference across the dial.

Which has better water resistance, the Fears X James Porter & Son LE or the Seiko Prospex SPEEDTIMER Mechanical?

The Seiko Prospex SPEEDTIMER Mechanical is rated to 20m versus 10m for the Fears X James Porter & Son LE.

Which has a longer power reserve, the Fears X James Porter & Son LE or the Seiko Prospex SPEEDTIMER Mechanical?

The Seiko Prospex SPEEDTIMER Mechanical carries a 72-hour power reserve against 40 hours on the Fears X James Porter & Son LE.

What movement does the Fears X James Porter & Son LE run compared to the Seiko Prospex SPEEDTIMER Mechanical?

The Fears X James Porter & Son LE runs a manual caliber (ETA 7001), while the Seiko Prospex SPEEDTIMER Mechanical runs a automatic (6R55).

Side by side

Fears X James Porter & Son LEvsSeiko Prospex SPEEDTIMER Mechanical

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

Fears X James Porter & Son LE

brunswick-x-james-porter-son-limited-edition

MSRP $3,292

Seiko Prospex SPEEDTIMER Mechanical

spb513j1

MSRP $995

At a glance

16 of 29 specs differ

Diameter

X James Porter & Son LE38mm

Prospex SPEEDTIMER Mechanical39.5mm

Power Reserve

X James Porter & Son LE40h

Prospex SPEEDTIMER Mechanical72h

Water Resistance

X James Porter & Son LE10m

Prospex SPEEDTIMER Mechanical200m

MSRP

X James Porter & Son LE$3,292

Prospex SPEEDTIMER Mechanical$995

Full specifications

Case

6 specs

Crystal & Dial

5 specs

Crystal

Domed Sapphire

Sapphire

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

x James Porter & Son LE

Black

Lume

None

LumiBrite on hands and index(es)

Movement

4 specs

Caliber

ETA 7001

6R55

Type

Manual

Automatic

Power Reserve

40h

72h

Jewels

Pricing

1 specs

MSRP

$3,292

$995

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