Side by side

Seiko Essentials Quartz (Ladies)vsYema Skin Diver CMM.20

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

Essentials Quartz (Ladies)
SeikoEssentials Quartz (Ladies)
MSRP $315
Skin Diver CMM.20
YemaSkin Diver CMM.20
MSRP $2,372
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seiko Essentials Quartz (Ladies)

Owners widely appreciate the Seiko Essentials Quartz (Ladies) for its lightweight wearability, making it suitable for daily activity. One owner finds the watch beautiful for its grey market price, though another commenter expressed a preference for a black dial over the dark greenish hue. Concerns have been raised by an owner about the possibility of counterfeit Seiko Essentials Quartz (Ladies) watches, questioning the likelihood for a relatively inexpensive model. On balance, owners value the Seiko Essentials Quartz (Ladies) for its comfortable wearability and attractive 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.

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.

At a glance

10 of 29 specs differ
Diameter
Essentials Quartz (Ladies)34mm
Skin Diver CMM.2039.5mm
Power Reserve
Essentials Quartz (Ladies)40h
Skin Diver CMM.2040h
Water Resistance
Essentials Quartz (Ladies)100m
Skin Diver CMM.20200m
MSRP
Essentials Quartz (Ladies)$315
Skin Diver CMM.20$2,372

Full specifications

Case

7 specs
Category
Dress
Diver
Diameter
34mm
39.5mm
Thickness
8.2mm
11.5mm
Lug-to-Lug
41.5mm
47mm
Lug Width
10mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

1 specs
Crystal
Sapphire
Domed Sapphire

Movement

1 specs
Caliber
6N42
Yema CMM.20

Pricing

1 specs
MSRP
$315
$2,372
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