Which is cheaper, the CWC RN Automatic Divers Watch Mk.2 with Date or the Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300?

At MSRP the Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300 is the cheaper of the two at $399, against $1,249 for the CWC RN Automatic Divers Watch Mk.2 with Date — a $850 gap before any retailer discounting.

Which is bigger, the CWC RN Automatic Divers Watch Mk.2 with Date or the Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300?

The CWC RN Automatic Divers Watch Mk.2 with Date wears larger at 41mm versus 39mm for the Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300 — a 2mm difference across the dial.

Which has better water resistance, the CWC RN Automatic Divers Watch Mk.2 with Date or the Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300?

The CWC RN Automatic Divers Watch Mk.2 with Date is rated to 300m versus 200m for the Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300.

What movement does the CWC RN Automatic Divers Watch Mk.2 with Date run compared to the Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300?

Both watches run automatic movements — the CWC RN Automatic Divers Watch Mk.2 with Date uses the Sellita SW200-1 and the Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300 uses the Miyota 8205.

Side by side

CWC RN Automatic Divers Watch Mk.2 with DatevsIslander Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300

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

Islander Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300

islander-greenport-39mm-dive-watch-with-black-and-white-dial-isl-300

MSRP $399

At a glance

16 of 29 specs differ

Diameter

RN Automatic Divers Watch Mk.2 with Date41mm

Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-30039mm

Power Reserve

RN Automatic Divers Watch Mk.2 with Date40h

Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300—

Water Resistance

RN Automatic Divers Watch Mk.2 with Date300m

Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300200m

MSRP

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

Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300$399

Full specifications

Case

6 specs

Diameter

41mm

39mm

Thickness

12mm

13mm

Lug-to-Lug

47mm

0mm

Finish

Brushed and polished

—

Water Resistance

300m

200m

Caseback

Solid

Screw-down

Crystal & Dial

5 specs

Crystal Shape

Flat

—

AR Coating

Inner

Underside

Dial Color

CWC RN Automatic Divers Watch Mk.2 with Date, Stainless Steel (RN300-MT AS120-D)

—

Indices

Applied

—

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

Sellita SW200-1

Miyota 8205

Beat Rate

28,800 vph

0 vph

Power Reserve

40h

Jewels

Pricing

1 specs

MSRP

$1,249

$399

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