Which is cheaper, the CWC RN Automatic Divers Watch Mk.2 with Date or the Seiko Prospex Land Mechanical GMT?

At MSRP the Seiko Prospex Land Mechanical GMT is the cheaper of the two at $1,150, against $1,249 for the CWC RN Automatic Divers Watch Mk.2 with Date — a $99 gap before any retailer discounting.

Which is bigger, the CWC RN Automatic Divers Watch Mk.2 with Date or the Seiko Prospex Land Mechanical GMT?

The CWC RN Automatic Divers Watch Mk.2 with Date wears larger at 41mm versus 39.5mm for the Seiko Prospex Land Mechanical GMT — a 1.5mm difference across the dial.

Which has better water resistance, the CWC RN Automatic Divers Watch Mk.2 with Date or the Seiko Prospex Land Mechanical GMT?

The CWC RN Automatic Divers Watch Mk.2 with Date is rated to 300m versus 20m for the Seiko Prospex Land Mechanical GMT.

Which has a longer power reserve, the CWC RN Automatic Divers Watch Mk.2 with Date or the Seiko Prospex Land Mechanical GMT?

The Seiko Prospex Land Mechanical GMT carries a 72-hour power reserve against 40 hours on the CWC RN Automatic Divers Watch Mk.2 with Date.

What movement does the CWC RN Automatic Divers Watch Mk.2 with Date run compared to the Seiko Prospex Land Mechanical GMT?

Both watches run automatic movements — the CWC RN Automatic Divers Watch Mk.2 with Date uses the Sellita SW200-1 and the Seiko Prospex Land Mechanical GMT uses the 6R54.

Side by side

CWC RN Automatic Divers Watch Mk.2 with DatevsSeiko Prospex Land Mechanical GMT

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

CWC RN Automatic Divers Watch Mk.2 with Date

cwc-royal-navy-diver-automatic-mk2-with-date

MSRP $1,249

Seiko Prospex Land Mechanical GMT

spb377j1

MSRP $1,150

At a glance

13 of 29 specs differ

Diameter

RN Automatic Divers Watch Mk.2 with Date41mm

Prospex Land Mechanical GMT39.5mm

Power Reserve

RN Automatic Divers Watch Mk.2 with Date40h

Prospex Land Mechanical GMT72h

Water Resistance

RN Automatic Divers Watch Mk.2 with Date300m

Prospex Land Mechanical GMT200m

MSRP

RN Automatic Divers Watch Mk.2 with Date$1,249

Prospex Land Mechanical GMT$1,150

Full specifications

Case

5 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

CWC RN Automatic Divers Watch Mk.2 with Date, Stainless Steel (RN300-MT AS120-D)

Black

Lume

Super-LumiNova

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Sellita SW200-1

6R54

Power Reserve

40h

72h

Jewels

Pricing

1 specs

MSRP

$1,249

$1,150

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