Side by side

Grand Seiko SBGA211vsYema Skin Diver Slim CMM.20

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

SBGA211
Grand SeikoSBGA211
MSRP $6,900
Skin Diver Slim CMM.20
YemaSkin Diver Slim CMM.20
MSRP $2,117

At a glance

13 of 29 specs differ
Diameter
SBGA21141mm
Skin Diver Slim CMM.2047mm
Power Reserve
SBGA21172h
Skin Diver Slim CMM.2040h
Water Resistance
SBGA211100m
Skin Diver Slim CMM.20200m
MSRP
SBGA211$6,900
Skin Diver Slim CMM.20$2,117

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
41mm
47mm
Thickness
12.5mm
10mm
Lug-to-Lug
49mm
47mm
Material
Titanium
316L Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
Black
Steel

Movement

3 specs
Caliber
9R65
Yema CMM.20
Type
Spring Drive
Automatic
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$6,900
$2,117

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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 SBGA211

Grand Seiko SBGA211 owners and reviewers widely praise its exceptional finishing, particularly the Zaratsu polishing, and its mesmerizing, textured dial. The Spring Drive movement is consistently highlighted as a technical masterpiece, offering quartz-like accuracy of +/- 1 second per day and a smooth seconds sweep. Its lightweight titanium construction and 41mm case size contribute to a comfortable and wearable design. However, some owners find the dial texture less captivating in person than in photos, and there are mixed opinions on the bracelet's adjustment system and perceived quality relative to the price. Some also note its thickness and lack of lume. Overall, owners and reviewers rate the Grand Seiko SBGA211 highly for its unique dial and superb finishing, making it a highly regarded icon.

Yema Skin Diver Slim CMM.20

Owners and reviewers widely praise the Yema Skin Diver Slim CMM.20 for its balanced 39mm case, vintage aesthetic, and unique champagne dial. The proprietary CMM.20 micro-rotor movement is a notable feature, though some owners report potential QC issues including erratic timegrapher readings and second-hand stutter. The lume is described as subdued, and while some find the "dragon scale" bracelet beautiful, others consider it generic. The price point is a hurdle for some, and the stamped clasp quality is considered subpar by one reviewer, with a gap noted by an owner. The lack of hacking seconds is flagged as a drawback at its price. Overall, owners and reviewers rate the Yema Skin Diver Slim CMM.20 highly for its vintage charm and balanced wearability.

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