Side by side

Traska Seafarer CharcoalvsYema Skin Diver CMM.20

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

Seafarer Charcoal
TraskaSeafarer Charcoal
MSRP $665
Skin Diver CMM.20
YemaSkin Diver CMM.20
MSRP $2,372

At a glance

14 of 29 specs differ
Diameter
Seafarer Charcoal40mm
Skin Diver CMM.2039.5mm
Power Reserve
Seafarer Charcoal42h
Skin Diver CMM.2040h
Water Resistance
Seafarer Charcoal150m
Skin Diver CMM.20200m
MSRP
Seafarer Charcoal$665
Skin Diver CMM.20$2,372

Full specifications

Case

5 specs
Diameter
40mm
39.5mm
Thickness
12mm
11.5mm
Lug-to-Lug
46mm
47mm
Finish
Brushed + Polished
Brushed and polished
Water Resistance
150m
200m

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Underside
Inner
Dial Color
White
Black
Lume
Super-LumiNova BGW9
None

Movement

4 specs
Caliber
9039
Yema CMM.20
Power Reserve
42h
40h
Jewels
24
25
Complications
Chronograph
None

Pricing

1 specs
MSRP
$665
$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.

Traska Seafarer Charcoal

The Traska Seafarer Charcoal's notable strength is its refined finishing, which elevates it from a field watch to a luxury-like piece. A shared weakness is the dim lume, which may be a drawback for those who value nighttime visibility. Reviewers disagree on the watch's build, with one reviewer noting a more substantial build and larger case size, while the other does not mention this feature.

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.

From video reviewers

The sapphire bezel insert and in-house CMM.20 movement are noted strengths. Reviewers questioned the value proposition compared to other Yema models.

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