Side by side

Christopher Ward C63 Sealander Extreme GMTvsYema YEMA x Silberstein Marine 2 CMM.20 Limited Edition

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
YEMA x Silberstein Marine 2 CMM.20 Limited Edition
YemaYEMA x Silberstein Marine 2 CMM.20 Limited Edition
MSRP $4,425

At a glance

14 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
YEMA x Silberstein Marine 2 CMM.20 Limited Edition40mm
Power Reserve
C63 Sealander Extreme GMT56h
YEMA x Silberstein Marine 2 CMM.20 Limited Edition40h
Water Resistance
C63 Sealander Extreme GMT150m
YEMA x Silberstein Marine 2 CMM.20 Limited Edition200m
MSRP
C63 Sealander Extreme GMT$2,075
YEMA x Silberstein Marine 2 CMM.20 Limited Edition$4,425

Full specifications

Case

6 specs
Category
GMT
Diver
Thickness
12.05mm
11mm
Lug-to-Lug
48mm
44.5mm
Lug Width
22mm
20mm
Material
Stainless Steel
Titanium (DLC coated)
Water Resistance
150m
200m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
Red
Lume
SLN X1 BL / GL
None

Movement

4 specs
Caliber
SW330-2
Yema CMM.20
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
40h
Complications
GMT
None

Pricing

1 specs
MSRP
$2,075
$4,425

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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.

YEMA x Silberstein Marine 2 CMM.20 Limited Edition

The YEMA x Silberstein Marine 2 CMM.20 Limited Edition is noted for its slim 39mm case and in-house CMM.20 micro-rotor movement, offering 300 meters of water resistance and a 70-hour power reserve. Reviewers highlight the watch's thin profile and flowing case design, as well as its black lacquered enamel dial. However, the bezel's lack of numbers is considered a practical drawback, and one reviewer noted the audible spin of the micro-rotor, which was unexpected given the €1,990 price for the 200-piece limited edition. The included leather strap is also seen as less suited for the watch's dive capabilities. Overall, reviewers appreciate the YEMA x Silberstein Marine 2 CMM.20 Limited Edition for its slim design and in-house movement, though practical considerations regarding the bezel and strap are noted.

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