Which is cheaper, the CWC RN Automatic Divers Watch Mk.2 with Date or the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition?

At MSRP the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition 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 SPEEDTIMER Mechanical Datsun 240Z Limited Edition?

The CWC RN Automatic Divers Watch Mk.2 with Date wears larger at 41mm versus 39.5mm for the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition — 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 SPEEDTIMER Mechanical Datsun 240Z Limited Edition?

The CWC RN Automatic Divers Watch Mk.2 with Date is rated to 300m versus 20m for the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition.

Which has a longer power reserve, the CWC RN Automatic Divers Watch Mk.2 with Date or the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition?

The Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition 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 SPEEDTIMER Mechanical Datsun 240Z Limited Edition?

Both watches run automatic movements — the CWC RN Automatic Divers Watch Mk.2 with Date uses the Sellita SW200-1 and the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition uses the 6R55.

Side by side

CWC RN Automatic Divers Watch Mk.2 with DatevsSeiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition

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 SPEEDTIMER Mechanical Datsun 240Z Limited Edition

spb517j1

MSRP $1,150

At a glance

12 of 29 specs differ

Diameter

RN Automatic Divers Watch Mk.2 with Date41mm

Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition39.5mm

Power Reserve

RN Automatic Divers Watch Mk.2 with Date40h

Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition72h

Water Resistance

RN Automatic Divers Watch Mk.2 with Date300m

Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition200m

MSRP

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

Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition$1,150

Full specifications

Case

4 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

6R55

Power Reserve

40h

72h

Jewels

Pricing

1 specs

MSRP

$1,249

$1,150

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