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

At MSRP the Seiko Alpinist is the cheaper of the two at $750, against $1,249 for the CWC RN Automatic Divers Watch Mk.2 with Date — a $499 gap before any retailer discounting.

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

The CWC RN Automatic Divers Watch Mk.2 with Date wears larger at 41mm versus 39.5mm for the Seiko Alpinist — 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 Alpinist?

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

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

The Seiko Alpinist 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 Alpinist?

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

Side by side

CWC RN Automatic Divers Watch Mk.2 with DatevsSeiko Alpinist

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 Alpinist

spb117j1

MSRP $750

At a glance

12 of 29 specs differ

Diameter

RN Automatic Divers Watch Mk.2 with Date41mm

Alpinist39.5mm

Power Reserve

RN Automatic Divers Watch Mk.2 with Date40h

Alpinist70h

Water Resistance

RN Automatic Divers Watch Mk.2 with Date300m

Alpinist200m

MSRP

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

Alpinist$750

Full specifications

Case

5 specs

Crystal & Dial

3 specs

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

6R35

Power Reserve

40h

70h

Jewels

Pricing

1 specs

MSRP

$1,249

$750

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