Which is cheaper, the CWC Quartz Divers Watch Mk.2 Polished Case or the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch?

At MSRP the CWC Quartz Divers Watch Mk.2 Polished Case is the cheaper of the two at $583, against $1,700 for the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch — a $1,118 gap before any retailer discounting.

Which is bigger, the CWC Quartz Divers Watch Mk.2 Polished Case 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 Quartz Divers Watch Mk.2 Polished Case — a 1mm difference across the dial.

Which has a longer power reserve, the CWC Quartz Divers Watch Mk.2 Polished Case 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 Quartz Divers Watch Mk.2 Polished Case.

What movement does the CWC Quartz Divers Watch Mk.2 Polished Case run compared to the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch?

The CWC Quartz Divers Watch Mk.2 Polished Case runs a quartz caliber (Ronda 517), while the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch runs a automatic (6R54).

Side by side

CWC Quartz Divers Watch Mk.2 Polished CasevsSeiko 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 Quartz Divers Watch Mk.2 Polished Case

cwc-royal-navy-divers-quartz-watch-mk-2

MSRP $583

Seiko Prospex Sea 1968 Heritage Diver's GMT Watch

spb519j1

MSRP $1,700

At a glance

11 of 29 specs differ

Diameter

Quartz Divers Watch Mk.2 Polished Case41mm

Prospex Sea 1968 Heritage Diver's GMT Watch42mm

Power Reserve

Quartz Divers Watch Mk.2 Polished Case40h

Prospex Sea 1968 Heritage Diver's GMT Watch72h

Water Resistance

Quartz Divers Watch Mk.2 Polished Case300m

Prospex Sea 1968 Heritage Diver's GMT Watch300m

MSRP

Quartz Divers Watch Mk.2 Polished Case$583

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 Quartz Divers Watch Mk.2 Polished Case (RN300-P QS120)

Black

Lume

Super-LumiNova

LumiBrite on hands, index(es) and bezel

Movement

4 specs

Caliber

Ronda 517

6R54

Type

Quartz

Automatic

Power Reserve

40h

72h

Jewels

Pricing

1 specs

MSRP

$583

$1,700

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