Which is cheaper, the CWC RN Automatic Divers Watch Mk.2 with Date or the Seiko 62MAS?

At MSRP the Seiko 62MAS is the cheaper of the two at $1,200, against $1,249 for the CWC RN Automatic Divers Watch Mk.2 with Date — a $49 gap before any retailer discounting.

Which is bigger, the CWC RN Automatic Divers Watch Mk.2 with Date or the Seiko 62MAS?

The CWC RN Automatic Divers Watch Mk.2 with Date wears larger at 41mm versus 40.5mm for the Seiko 62MAS — a 0.5mm difference across the dial.

Which has better water resistance, the CWC RN Automatic Divers Watch Mk.2 with Date or the Seiko 62MAS?

The CWC RN Automatic Divers Watch Mk.2 with Date is rated to 300m versus 200m for the Seiko 62MAS.

Which has a longer power reserve, the CWC RN Automatic Divers Watch Mk.2 with Date or the Seiko 62MAS?

The Seiko 62MAS carries a 70-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 62MAS?

Both watches run automatic movements — the CWC RN Automatic Divers Watch Mk.2 with Date uses the Sellita SW200-1 and the Seiko 62MAS uses the 6R35.

Side by side

CWC RN Automatic Divers Watch Mk.2 with DatevsSeiko 62MAS

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 62MAS

spb143j1

MSRP $1,200

At a glance

12 of 29 specs differ

Diameter

RN Automatic Divers Watch Mk.2 with Date41mm

62MAS40.5mm

Power Reserve

RN Automatic Divers Watch Mk.2 with Date40h

62MAS70h

Water Resistance

RN Automatic Divers Watch Mk.2 with Date300m

62MAS200m

MSRP

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

62MAS$1,200

Full specifications

Case

4 specs

Diameter

41mm

40.5mm

Thickness

12mm

13.2mm

Lug-to-Lug

47mm

47.6mm

Water Resistance

300m

200m

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, index(es) and bezel

Movement

3 specs

Caliber

Sellita SW200-1

6R35

Power Reserve

40h

70h

Jewels

Pricing

1 specs

MSRP

$1,249

$1,200

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