Side by side

Christopher Ward C60 Trident GMT 300vsYema Skin Diver CMM.20

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

C60 Trident GMT 300
Christopher WardC60 Trident GMT 300
MSRP $1,450
Skin Diver CMM.20
YemaSkin Diver CMM.20
MSRP $2,372

At a glance

13 of 29 specs differ
Diameter
C60 Trident GMT 30040mm
Skin Diver CMM.2039.5mm
Power Reserve
C60 Trident GMT 30056h
Skin Diver CMM.2040h
Water Resistance
C60 Trident GMT 300300m
Skin Diver CMM.20200m
MSRP
C60 Trident GMT 300$1,450
Skin Diver CMM.20$2,372

Full specifications

Case

5 specs
Diameter
40mm
39.5mm
Thickness
11.7mm
11.5mm
Lug-to-Lug
47.5mm
47mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
White
Black
Lume
SLN X1 BL C1
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
$1,450
$2,372

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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 C60 Trident GMT 300

Owners widely praise the Christopher Ward C60 Trident GMT 300's build quality and finishing, finding it a serious alternative to established Swiss brands. The 40mm size is considered comfortable with good wrist presence, and the lume is fantastic. The Sellita SW330-2 movement is noted as slim for a GMT, with one owner reporting accuracy of +5 seconds per week. Some owners dislike the older Bader bracelet and wish for better AR coating, while a reviewer noted the handset could be updated. On balance, owners and reviewers rate the Christopher Ward C60 Trident GMT 300 highly for its exceptional build quality and finishing at its price point.

Yema Skin Diver CMM.20

Owners and reviewers widely praise the Yema Skin Diver CMM.20 for its vintage aesthetic, 39mm-39.5mm case size, and the in-house CMM.20 micro-rotor movement. The watch features a textured cream dial, sharp applied indices, and a satisfyingly over-engineered push-to-turn bi-directional bezel. The fully brushed bracelet with toolless micro-adjust clasp is highlighted as a significant improvement, though some note its extended lug-to-lug may challenge smaller wrists. Accuracy figures range from -3/+7 seconds per day to erratic results between 0 and -10 seconds per day, with a 70-hour power reserve. Some owners express concerns about the brand's QC reputation and the micro-rotor movement's performance, while one reviewer noted questionable finishing on a prototype's hour hand and a rattly clasp. Overall, owners and reviewers rate the Yema Skin Diver CMM.20 highly for its vintage styling and improved bracelet at the price.

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