Side by side

Seiko Presage Cocktail TimevsYema Skin Diver CMM.20

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

Presage Cocktail Time
SeikoPresage Cocktail Time
MSRP $625
Skin Diver CMM.20
YemaSkin Diver CMM.20
MSRP $2,372

At a glance

12 of 29 specs differ
Diameter
Presage Cocktail Time40.5mm
Skin Diver CMM.2039.5mm
Power Reserve
Presage Cocktail Time41h
Skin Diver CMM.2040h
Water Resistance
Presage Cocktail Time50m
Skin Diver CMM.20200m
MSRP
Presage Cocktail Time$625
Skin Diver CMM.20$2,372

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
40.5mm
39.5mm
Thickness
12.8mm
11.5mm
Lug-to-Lug
47.5mm
47mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
200m

Crystal & Dial

2 specs
Crystal
Hardlex
Domed Sapphire
Crystal Shape
Box
Flat

Movement

3 specs
Caliber
4R34
Yema CMM.20
Power Reserve
41h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$625
$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.

Seiko Presage Cocktail Time

Seiko Presage Cocktail Time owners widely praise its stunning dials and excellent value, noting it looks far more expensive than its price point. One owner highlights the green Mockingbird variant's fantastic dial, index, and hand combination, along with a great crown. However, some owners criticize legibility issues due to dial markers and hands disappearing into the sunburst pattern, and find the stock straps and bracelets too short with limited micro-adjustments. One owner also describes the case as big, round, and somewhat boring. Overall, owners rate the Seiko Presage Cocktail Time highly for its visually striking dials and perceived value, despite some concerns regarding legibility and bracelet fit.

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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