Side by side

CWC Quartz Divers Watch Mk.2 Polished CasevsSeiko Prospex SPEEDTIMER Mechanical Chronograph

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

Quartz Divers Watch Mk.2 Polished Case
CWCQuartz Divers Watch Mk.2 Polished Case
MSRP $583

At a glance

14 of 29 specs differ
Diameter
Quartz Divers Watch Mk.2 Polished Case41mm
Prospex SPEEDTIMER Mechanical Chronograph42mm
Power Reserve
Quartz Divers Watch Mk.2 Polished Case40h
Prospex SPEEDTIMER Mechanical Chronograph45h
Water Resistance
Quartz Divers Watch Mk.2 Polished Case300m
Prospex SPEEDTIMER Mechanical Chronograph100m
MSRP
Quartz Divers Watch Mk.2 Polished Case$583
Prospex SPEEDTIMER Mechanical Chronograph$2,500

Full specifications

Case

5 specs
Category
Diver
Chronograph
Diameter
41mm
42mm
Thickness
12mm
14.6mm
Lug-to-Lug
47mm
49.5mm
Water Resistance
300m
100m

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 Polished Case (RN300-P QS120)
Black
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
Ronda 517
8R48
Type
Quartz
Automatic
Power Reserve
40h
45h
Jewels
25
34

Pricing

1 specs
MSRP
$583
$2,500

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