Which is cheaper, the CWC Automatic Divers Watch Mk.2 Black with Date or the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch?

At MSRP the CWC Automatic Divers Watch Mk.2 Black with Date is the cheaper of the two at $1,249, against $1,700 for the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch — a $451 gap before any retailer discounting.

Which is bigger, the CWC Automatic Divers Watch Mk.2 Black with Date or the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch?

The Seiko Prospex Sea 1968 Heritage Diver's GMT Watch wears larger at 42mm versus 41mm for the CWC Automatic Divers Watch Mk.2 Black with Date — a 1mm difference across the dial.

Which has a longer power reserve, the CWC Automatic Divers Watch Mk.2 Black with Date or the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch?

The Seiko Prospex Sea 1968 Heritage Diver's GMT Watch carries a 72-hour power reserve against 40 hours on the CWC Automatic Divers Watch Mk.2 Black with Date.

What movement does the CWC Automatic Divers Watch Mk.2 Black with Date run compared to the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch?

Both watches run automatic movements — the CWC Automatic Divers Watch Mk.2 Black with Date uses the Sellita SW200-1 and the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch uses the 6R54.

Side by side

CWC Automatic Divers Watch Mk.2 Black with DatevsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

CWC Automatic Divers Watch Mk.2 Black with Date

cwc-royal-navy-black-diver-automatic-mk-2-with-date

MSRP $1,249

Seiko Prospex Sea 1968 Heritage Diver's GMT Watch

spb519j1

MSRP $1,700

At a glance

10 of 29 specs differ

Diameter

Automatic Divers Watch Mk.2 Black with Date41mm

Prospex Sea 1968 Heritage Diver's GMT Watch42mm

Power Reserve

Automatic Divers Watch Mk.2 Black with Date40h

Prospex Sea 1968 Heritage Diver's GMT Watch72h

Water Resistance

Automatic Divers Watch Mk.2 Black with Date300m

Prospex Sea 1968 Heritage Diver's GMT Watch300m

MSRP

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

Prospex Sea 1968 Heritage Diver's GMT Watch$1,700

Full specifications

Case

3 specs

Diameter

41mm

42mm

Thickness

12mm

13.3mm

Lug-to-Lug

47mm

48.6mm

Crystal & Dial

3 specs

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

CWC Automatic Divers Watch Mk.2 Black with Date (SF300 AS120-D)

Black

Lume

Super-LumiNova

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

Sellita SW200-1

6R54

Power Reserve

40h

72h

Jewels

Pricing

1 specs

MSRP

$1,249

$1,700

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