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

At MSRP the Spinnaker Cahill Automatic 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 Spinnaker Cahill Automatic?

The Spinnaker Cahill Automatic wears larger at 42mm versus 41mm for the CWC RN Automatic Divers Watch Mk.2 with Date — a 1mm difference across the dial.

Which has better water resistance, the CWC RN Automatic Divers Watch Mk.2 with Date or the Spinnaker Cahill Automatic?

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

What movement does the CWC RN Automatic Divers Watch Mk.2 with Date run compared to the Spinnaker Cahill Automatic?

Both watches run automatic movements — the CWC RN Automatic Divers Watch Mk.2 with Date uses the Sellita SW200-1 and the Spinnaker Cahill Automatic uses the SII NH35A.

Side by side

CWC RN Automatic Divers Watch Mk.2 with DatevsSpinnaker Cahill Automatic

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

Spinnaker Cahill Automatic

cahill-automatic-moss-green-sp-5064-02

MSRP $350

At a glance

10 of 29 specs differ

Diameter

RN Automatic Divers Watch Mk.2 with Date41mm

Cahill Automatic42mm

Power Reserve

RN Automatic Divers Watch Mk.2 with Date40h

Cahill Automatic40h

Water Resistance

RN Automatic Divers Watch Mk.2 with Date300m

Cahill Automatic200m

MSRP

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

Cahill Automatic$350

Full specifications

Case

6 specs

Diameter

41mm

42mm

Thickness

12mm

13.7mm

Lug-to-Lug

47mm

51mm

Lug Width

20mm

22mm

Material

Stainless Steel

316L Stainless Steel

Water Resistance

300m

200m

Crystal & Dial

2 specs

Dial Color

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

Green

Lume

Super-LumiNova

None

Movement

1 specs

Caliber

Sellita SW200-1

SII NH35A

Pricing

1 specs

MSRP

$1,249

$350

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