Which is cheaper, the Core Timepieces The River Watch or the Seiko Prospex Land Mechanical GMT?

At MSRP the Core Timepieces The River Watch is the cheaper of the two at $540, against $1,150 for the Seiko Prospex Land Mechanical GMT — a $610 gap before any retailer discounting.

Which is bigger, the Core Timepieces The River Watch or the Seiko Prospex Land Mechanical GMT?

The Core Timepieces The River Watch wears larger at 42mm versus 39.5mm for the Seiko Prospex Land Mechanical GMT — a 2.5mm difference across the dial.

Which has better water resistance, the Core Timepieces The River Watch or the Seiko Prospex Land Mechanical GMT?

The Core Timepieces The River Watch is rated to 300m versus 20m for the Seiko Prospex Land Mechanical GMT.

What movement does the Core Timepieces The River Watch run compared to the Seiko Prospex Land Mechanical GMT?

Both watches run automatic movements — the Core Timepieces The River Watch uses the Seiko NH34A and the Seiko Prospex Land Mechanical GMT uses the 6R54.

Side by side

Core Timepieces The River WatchvsSeiko Prospex Land Mechanical GMT

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

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Core Timepieces The River Watch

MSRP $540

Seiko Prospex Land Mechanical GMT

spb377j1

MSRP $1,150

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At a glance

15 of 29 specs differ

Diameter

The River Watch42mm

Prospex Land Mechanical GMT39.5mm

Power Reserve

The River Watch—

Prospex Land Mechanical GMT72h

Water Resistance

The River Watch300m

Prospex Land Mechanical GMT200m

MSRP

The River Watch$540

Prospex Land Mechanical GMT$1,150

Full specifications

Case

7 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

Seiko NH34A

6R54

Power Reserve

—

72h

Jewels

Pricing

1 specs

MSRP

—

$1,150

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Core Timepieces The River WatchvsSeiko Prospex Land Mechanical GMT

At a glance

Full specifications

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