Side by side

Grand Seiko SBGH281vsYema Superman Slim CMM.20

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

SBGH281
Grand SeikoSBGH281
MSRP $6,300
Superman Slim CMM.20
YemaSuperman Slim CMM.20
MSRP $2,372

At a glance

12 of 29 specs differ
Diameter
SBGH28140mm
Superman Slim CMM.2039mm
Power Reserve
SBGH28155h
Superman Slim CMM.2040h
Water Resistance
SBGH281100m
Superman Slim CMM.20300m
MSRP
SBGH281$6,300
Superman Slim CMM.20$2,372

Full specifications

Case

7 specs
Category
Dress
Diver
Diameter
40mm
39mm
Thickness
13.3mm
9.95mm
Lug-to-Lug
46.2mm
Lug Width
19mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
300m

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 Superman Slim CMM.20

Owners and reviewers praise the Yema Superman Slim CMM.20 for its appealing retro design, balanced 39mm case, and in-house CMM.20 micro-rotor movement, with some finding the fish scale bracelet attractive. Concerns exist regarding its $2500/€2,490 MSRP, with some owners questioning its value and noting the potential for QC issues or a "jittery" seconds hand attributed to the new movement. The bracelet's articulation and stamped clasp draw criticism, though some owners report it improves with wear. Overall, owners and reviewers appreciate the Yema Superman Slim CMM.20's vintage styling and unique micro-rotor movement, but its value proposition and some finishing details are points of contention.

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