Which is cheaper, the Fears X James Porter & Son LE or the Seiko Prospex Sea 1968 Heritage Diver's GMT?

At MSRP the Seiko Prospex Sea 1968 Heritage Diver's GMT is the cheaper of the two at $1,500, against $3,292 for the Fears X James Porter & Son LE — a $1,792 gap before any retailer discounting.

Which is bigger, the Fears X James Porter & Son LE or the Seiko Prospex Sea 1968 Heritage Diver's GMT?

The Seiko Prospex Sea 1968 Heritage Diver's GMT wears larger at 42mm versus 38mm for the Fears X James Porter & Son LE — a 4mm difference across the dial.

Which has better water resistance, the Fears X James Porter & Son LE or the Seiko Prospex Sea 1968 Heritage Diver's GMT?

The Seiko Prospex Sea 1968 Heritage Diver's GMT is rated to 200m 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 Sea 1968 Heritage Diver's GMT?

The Seiko Prospex Sea 1968 Heritage Diver's GMT 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 Sea 1968 Heritage Diver's GMT?

The Fears X James Porter & Son LE runs a manual caliber (ETA 7001), while the Seiko Prospex Sea 1968 Heritage Diver's GMT runs a automatic (6R54).

Side by side

Fears X James Porter & Son LEvsSeiko Prospex Sea 1968 Heritage Diver's GMT

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 Sea 1968 Heritage Diver's GMT

spb381j1

MSRP $1,500

At a glance

15 of 29 specs differ

Diameter

X James Porter & Son LE38mm

Prospex Sea 1968 Heritage Diver's GMT42mm

Power Reserve

X James Porter & Son LE40h

Prospex Sea 1968 Heritage Diver's GMT72h

Water Resistance

X James Porter & Son LE10m

Prospex Sea 1968 Heritage Diver's GMT200m

MSRP

X James Porter & Son LE$3,292

Prospex Sea 1968 Heritage Diver's GMT$1,500

Full specifications

Case

6 specs

Crystal & Dial

4 specs

Crystal

Domed Sapphire

Sapphire

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

x James Porter & Son LE

Black

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

4 specs

Caliber

ETA 7001

6R54

Type

Manual

Automatic

Power Reserve

40h

72h

Jewels

Pricing

1 specs

MSRP

$3,292

$1,500

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