Side by side

Grand Seiko SBGH281vsYema Skin Diver CMM.20

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

SBGH281
Grand SeikoSBGH281
MSRP $6,300
Skin Diver CMM.20
YemaSkin Diver CMM.20
MSRP $2,372

At a glance

12 of 29 specs differ
Diameter
SBGH28140mm
Skin Diver CMM.2039.5mm
Power Reserve
SBGH28155h
Skin Diver CMM.2040h
Water Resistance
SBGH281100m
Skin Diver CMM.20200m
MSRP
SBGH281$6,300
Skin Diver CMM.20$2,372

Full specifications

Case

7 specs
Category
Dress
Diver
Diameter
40mm
39.5mm
Thickness
13.3mm
11.5mm
Lug-to-Lug
46.2mm
47mm
Lug Width
19mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner

Movement

2 specs
Caliber
9S85
Yema CMM.20
Power Reserve
55h
40h

Pricing

1 specs
MSRP
$6,300
$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.

Grand Seiko SBGH281

The Grand Seiko SBGH281 is lauded for its 44GS-style case, which exemplifies the brand's "Grammar of Design" with its sharp facets and broad case band, and its Hi-Beat 36000vph Caliber 9S85 movement, noted for an ultra-smooth second hand. Reviewers highlight the exceptional finishing, including Zaratsu polishing and hand-polished markers, as offering significant value at its €6,200 price point. The watch features an accuracy rating of +5/–3 seconds per day, a 55-hour power reserve, and 100-meter water resistance, all executed to Grand Seiko's high standards, and is limited to 1,500 pieces. Overall, reviewers rate the Grand Seiko SBGH281 highly for its iconic case design and superb finishing at its price.

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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