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

At MSRP the Seiko Baby Alpinist is the cheaper of the two at $725, against $1,249 for the CWC RN Automatic Divers Watch Mk.2 with Date — a $524 gap before any retailer discounting.

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

The CWC RN Automatic Divers Watch Mk.2 with Date wears larger at 41mm versus 38mm for the Seiko Baby Alpinist — a 3mm difference across the dial.

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

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

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

The Seiko Baby 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 Baby Alpinist?

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

Side by side

CWC RN Automatic Divers Watch Mk.2 with DatevsSeiko Baby 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 Baby Alpinist

spb155j1

MSRP $725

At a glance

13 of 29 specs differ

Diameter

RN Automatic Divers Watch Mk.2 with Date41mm

Baby Alpinist38mm

Power Reserve

RN Automatic Divers Watch Mk.2 with Date40h

Baby Alpinist70h

Water Resistance

RN Automatic Divers Watch Mk.2 with Date300m

Baby Alpinist200m

MSRP

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

Baby Alpinist$725

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

6R35

Power Reserve

40h

70h

Jewels

Pricing

1 specs

MSRP

$1,249

$725

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