Side by side

Christopher Ward C63 Sealander RocksvsYema Wristmaster Slim CMM.20

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

C63 Sealander Rocks
Christopher WardC63 Sealander Rocks
MSRP $1,405
Wristmaster Slim CMM.20
YemaWristmaster Slim CMM.20
MSRP $2,117

At a glance

17 of 29 specs differ
Diameter
C63 Sealander Rocks42.87mm
Wristmaster Slim CMM.2039mm
Power Reserve
C63 Sealander Rocks38h
Wristmaster Slim CMM.2040h
Water Resistance
C63 Sealander Rocks150m
Wristmaster Slim CMM.20100m
MSRP
C63 Sealander Rocks$1,405
Wristmaster Slim CMM.20$2,117

Full specifications

Case

9 specs
Category
GMT
Diameter
42.87mm
39mm
Thickness
11.05mm
9mm
Lug-to-Lug
42.87mm
Lug Width
20mm
24mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed + Polished + Sandblasted
Brushed and polished
Water Resistance
150m
100m
Caseback
Display
Solid

Crystal & Dial

2 specs
Dial Color
Yellow
Black
Lume
SLN X1 BL C1
None

Movement

5 specs
Caliber
SW200
Yema CMM.20
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
40h
Jewels
26
25
Complications
Moonphase, Day-date
None

Pricing

1 specs
MSRP
$1,405
$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 Sealander Rocks

The Christopher Ward C63 Sealander Rocks is praised for its exceptional wearability and versatile design, with its 36mm case noted as fitting well on smaller wrists. Owners highlight the unique gloss dial and refined indices as particularly special, contributing to a quality that exceeds its price point. One owner reported the crown movement was less smooth than higher-end options, and the Sellita SW200 movement's rotor can be a bit loud. The Consort bracelet is noted as lighter and more conforming than the Bader, though some prefer the Bader for robustness. On balance, owners and reviewers rate the Christopher Ward C63 Sealander Rocks highly for its comfortable wearability and refined dial aesthetics at its price.

Yema Wristmaster Slim CMM.20

The Yema Wristmaster Slim CMM.20 is widely praised for its compelling integrated bracelet design and comfortable 39mm wearability. Reviewers highlight its impressive value, featuring an in-house CMM.20 micro-rotor movement with a 70-hour power reserve, adjusted to -3/+7 seconds per day, all within a slim 9mm case. Some note the domed sapphire crystal can produce glare and the dial text is quite small. On balance, reviewers rate the Yema Wristmaster Slim CMM.20 highly for its integrated design and value proposition with a micro-rotor movement.

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