Which is cheaper, the CWC Quartz Divers Watch Mk.2 Full Matte Case or the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition?

At MSRP the CWC Quartz Divers Watch Mk.2 Full Matte Case is the cheaper of the two at $583, against $1,350 for the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition — a $768 gap before any retailer discounting.

Which is bigger, the CWC Quartz Divers Watch Mk.2 Full Matte Case or the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition?

The Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition wears larger at 42.7mm versus 41mm for the CWC Quartz Divers Watch Mk.2 Full Matte Case — a 1.7mm difference across the dial.

Which has better water resistance, the CWC Quartz Divers Watch Mk.2 Full Matte Case or the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition?

The CWC Quartz Divers Watch Mk.2 Full Matte Case is rated to 300m versus 200m for the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition.

Which has a longer power reserve, the CWC Quartz Divers Watch Mk.2 Full Matte Case or the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition?

The Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition carries a 70-hour power reserve against 40 hours on the CWC Quartz Divers Watch Mk.2 Full Matte Case.

What movement does the CWC Quartz Divers Watch Mk.2 Full Matte Case run compared to the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition?

The CWC Quartz Divers Watch Mk.2 Full Matte Case runs a quartz caliber (Ronda 517), while the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition runs a automatic (6R35).

Side by side

CWC Quartz Divers Watch Mk.2 Full Matte CasevsSeiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition

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

CWC Quartz Divers Watch Mk.2 Full Matte Case

cwc-quartz-divers-watch-rn300-m-qs120

MSRP $583

Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition

spb301j1

MSRP $1,350

At a glance

13 of 29 specs differ

Diameter

Quartz Divers Watch Mk.2 Full Matte Case41mm

Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition42.7mm

Power Reserve

Quartz Divers Watch Mk.2 Full Matte Case40h

Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition70h

Water Resistance

Quartz Divers Watch Mk.2 Full Matte Case300m

Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition200m

MSRP

Quartz Divers Watch Mk.2 Full Matte Case$583

Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition$1,350

Full specifications

Case

4 specs

Diameter

41mm

42.7mm

Thickness

12mm

13.2mm

Lug-to-Lug

47mm

46.4mm

Water Resistance

300m

200m

Crystal & Dial

4 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

CWC Quartz Divers Watch Mk.2 Full Matte Case (RN300-M QS120)

Black

Lume

Super-LumiNova

LumiBrite on hands, index(es) and bezel

Movement

4 specs

Caliber

Ronda 517

6R35

Type

Quartz

Automatic

Power Reserve

40h

70h

Jewels

Pricing

1 specs

MSRP

$583

$1,350

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