Side by side

Christopher Ward C63 Sealander Extreme GMTvsCWC RN Quartz Divers Watch Mk.2, Matte Top

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

C63 Sealander Extreme GMT
Christopher WardC63 Sealander Extreme GMT
MSRP $2,075
RN Quartz Divers Watch Mk.2, Matte Top
CWCRN Quartz Divers Watch Mk.2, Matte Top
MSRP $604

At a glance

15 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
RN Quartz Divers Watch Mk.2, Matte Top41mm
Power Reserve
C63 Sealander Extreme GMT56h
RN Quartz Divers Watch Mk.2, Matte Top40h
Water Resistance
C63 Sealander Extreme GMT150m
RN Quartz Divers Watch Mk.2, Matte Top300m
MSRP
C63 Sealander Extreme GMT$2,075
RN Quartz Divers Watch Mk.2, Matte Top$604

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
40mm
41mm
Thickness
12.05mm
12mm
Lug-to-Lug
48mm
47mm
Lug Width
22mm
20mm
Water Resistance
150m
300m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Black
CWC RN Quartz Divers Watch Mk.2, Matte Top (RN300-MT QS120)
Lume
SLN X1 BL / GL
Super-LumiNova

Movement

5 specs
Caliber
SW330-2
Ronda 517
Type
Automatic
Quartz
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
40h
Complications
GMT
None

Pricing

1 specs
MSRP
$2,075
$604

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Christopher Ward C63 Sealander Extreme GMT

The Christopher Ward C63 Sealander Extreme GMT is widely praised as a competent and comfortable tool watch offering excellent value. Reviewers consistently highlight its impressive Globolight lume, providing excellent legibility, and its well-proportioned 41mm brushed steel case. The Sellita SW330-2 movement is noted as reliable, though its standard accuracy is stated as ±20 seconds per day, and its GMT functionality is considered less advanced than some alternatives. One owner notes the green dial can be an acquired taste, and hands and markers are considered less refined than those on significantly more expensive watches. The Christopher Ward C63 Sealander Extreme GMT is priced attractively at €1,895 on bracelet. Overall, owners and reviewers highly regard the Christopher Ward C63 Sealander Extreme GMT for its rugged, travel-ready design and impressive lume at its price point.

CWC RN Quartz Divers Watch Mk.2, Matte Top

Owners widely praise the CWC RN Quartz Divers Watch Mk.2, Matte Top for its excellent matte case finishing, precise seconds hand alignment, and dial reminiscent of vintage military watches. The Mk.2 upgrades, including a sapphire crystal, improved lume, and a precise 120-click bezel described as perfection with no play, are consistently highlighted as significant improvements over earlier versions. One owner noted the quartz movement gained 8 seconds over several months. Overall, owners rate the CWC RN Quartz Divers Watch Mk.2, Matte Top highly for its solid construction, military significance, and terrific value.

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