Which is cheaper, the CWC Quartz Divers Watch Mk.2 Full Matte Case or the Seiko Prospex SPEEDTIMER?

At MSRP the CWC Quartz Divers Watch Mk.2 Full Matte Case is the cheaper of the two at $583, against $3,000 for the Seiko Prospex SPEEDTIMER — a $2,418 gap before any retailer discounting.

Which is bigger, the CWC Quartz Divers Watch Mk.2 Full Matte Case or the Seiko Prospex SPEEDTIMER?

The Seiko Prospex SPEEDTIMER wears larger at 42.5mm versus 41mm for the CWC Quartz Divers Watch Mk.2 Full Matte Case — a 1.5mm difference across the dial.

Which has better water resistance, the CWC Quartz Divers Watch Mk.2 Full Matte Case or the Seiko Prospex SPEEDTIMER?

The CWC Quartz Divers Watch Mk.2 Full Matte Case is rated to 300m versus 10m for the Seiko Prospex SPEEDTIMER.

Which has a longer power reserve, the CWC Quartz Divers Watch Mk.2 Full Matte Case or the Seiko Prospex SPEEDTIMER?

The Seiko Prospex SPEEDTIMER carries a 45-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 SPEEDTIMER?

The CWC Quartz Divers Watch Mk.2 Full Matte Case runs a quartz caliber (Ronda 517), while the Seiko Prospex SPEEDTIMER runs a automatic (8R46).

Side by side

CWC Quartz Divers Watch Mk.2 Full Matte CasevsSeiko Prospex SPEEDTIMER

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 SPEEDTIMER

srq037j1

MSRP $3,000

At a glance

14 of 29 specs differ

Diameter

Quartz Divers Watch Mk.2 Full Matte Case41mm

Prospex SPEEDTIMER42.5mm

Power Reserve

Quartz Divers Watch Mk.2 Full Matte Case40h

Prospex SPEEDTIMER45h

Water Resistance

Quartz Divers Watch Mk.2 Full Matte Case300m

Prospex SPEEDTIMER100m

MSRP

Quartz Divers Watch Mk.2 Full Matte Case$583

Prospex SPEEDTIMER$3,000

Full specifications

Case

5 specs

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 and index(es)

Movement

4 specs

Caliber

Ronda 517

8R46

Type

Quartz

Automatic

Power Reserve

40h

45h

Jewels

Pricing

1 specs

MSRP

$583

$3,000

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