Which is cheaper, the CWC RN Automatic Divers Watch Mk.2 with Date or the Seiko 5KX?

At MSRP the Seiko 5KX is the cheaper of the two at $350, against $1,249 for the CWC RN Automatic Divers Watch Mk.2 with Date — a $899 gap before any retailer discounting.

Which is bigger, the CWC RN Automatic Divers Watch Mk.2 with Date or the Seiko 5KX?

The Seiko 5KX wears larger at 42.5mm versus 41mm for the CWC RN Automatic Divers Watch Mk.2 with Date — 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 5KX?

The CWC RN Automatic Divers Watch Mk.2 with Date is rated to 300m versus 10m for the Seiko 5KX.

Which has a longer power reserve, the CWC RN Automatic Divers Watch Mk.2 with Date or the Seiko 5KX?

The Seiko 5KX carries a 41-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 5KX?

Both watches run automatic movements — the CWC RN Automatic Divers Watch Mk.2 with Date uses the Sellita SW200-1 and the Seiko 5KX uses the 4R36.

Side by side

CWC RN Automatic Divers Watch Mk.2 with DatevsSeiko 5KX

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 5KX

srpd51

MSRP $350

At a glance

12 of 29 specs differ

Diameter

RN Automatic Divers Watch Mk.2 with Date41mm

5KX42.5mm

Power Reserve

RN Automatic Divers Watch Mk.2 with Date40h

5KX41h

Water Resistance

RN Automatic Divers Watch Mk.2 with Date300m

5KX100m

MSRP

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

5KX$350

Full specifications

Case

5 specs

Diameter

41mm

42.5mm

Thickness

12mm

13.4mm

Lug-to-Lug

47mm

46mm

Lug Width

20mm

22mm

Water Resistance

300m

100m

Crystal & Dial

3 specs

Crystal

Sapphire

Hardlex

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

4R36

Power Reserve

40h

41h

Jewels

Pricing

1 specs

MSRP

$1,249

$350

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