Side by side

Christopher Ward C63 ValourvsYema Skin Diver Slim CMM.20

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

C63 Valour
Christopher WardC63 Valour
MSRP $1,050
Skin Diver Slim CMM.20
YemaSkin Diver Slim CMM.20
MSRP $2,117

At a glance

17 of 29 specs differ
Diameter
C63 Valour45.8mm
Skin Diver Slim CMM.2047mm
Power Reserve
C63 Valour40h
Skin Diver Slim CMM.2040h
Water Resistance
C63 Valour150m
Skin Diver Slim CMM.20200m
MSRP
C63 Valour$1,050
Skin Diver Slim CMM.20$2,117

Full specifications

Case

8 specs
Category
Chronograph
Diver
Diameter
45.8mm
47mm
Thickness
11.55mm
10mm
Lug-to-Lug
45.8mm
47mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed + Polished
Brushed and polished
Water Resistance
150m
200m
Caseback
Engraved
Solid

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
Steel
Lume
SLN X1 BL C1
None

Movement

5 specs
Caliber
G10
Yema CMM.20
Type
Quartz
Automatic
Beat Rate
768 vph
28,800 vph
Jewels
4
25
Complications
Chronograph, Moonphase
None

Pricing

1 specs
MSRP
$1,050
$2,117

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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 Valour

Owners widely praise the Christopher Ward C63 Valour for its beautiful, deep dial with 3D applied markers and symmetric chronograph design, with some calling it one of the best-looking and most affordable chronographs available. Reviewers note the 39mm wide, 11.55mm thick Light-catcher case with flowing curves and contrasting finishes. The watch is powered by a thermocompensated, chronometer-certified quartz ETA G10.212 AD movement, with ETA claiming ±10 seconds per year accuracy via PreciDrive technology. However, some owners question the use of a quartz movement in a watch of this caliber, though others defend it for reliability and thinner profiles, while also debating if its claimed accuracy meets High Accuracy Quartz (HAQ) standards. Overall, owners and reviewers appreciate the Christopher Ward C63 Valour for its striking aesthetics and value, with the primary point of contention being its quartz movement.

Yema Skin Diver Slim CMM.20

Owners and reviewers widely praise the Yema Skin Diver Slim CMM.20 for its balanced 39mm case, vintage aesthetic, and unique champagne dial. The proprietary CMM.20 micro-rotor movement is a notable feature, though some owners report potential QC issues including erratic timegrapher readings and second-hand stutter. The lume is described as subdued, and while some find the "dragon scale" bracelet beautiful, others consider it generic. The price point is a hurdle for some, and the stamped clasp quality is considered subpar by one reviewer, with a gap noted by an owner. The lack of hacking seconds is flagged as a drawback at its price. Overall, owners and reviewers rate the Yema Skin Diver Slim CMM.20 highly for its vintage charm and balanced wearability.

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