Side by side

Grand Seiko SBGA375vsYema Wristmaster Slim CMM.20

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

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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 SBGA375

Grand Seiko SBGA375 owners praise its classic, subtle design and the engineering of its Spring Drive movement, with one noting it "does not fail to deliver what they are known for." The dial offers good legibility, with polished side bevels on the hour markers catching light well. However, one owner scuffed the bezel within a week, and another questioned if a lug was missing. Overall, owners rate the Grand Seiko SBGA375 highly for its refined design and movement engineering, signaling discerning taste.

From video reviewers

The Spring Drive movement's smooth sweep is a key strength. The bracelet's taper and clasp were cited as areas for improvement.

Yema Wristmaster Slim CMM.20

The Yema Wristmaster Slim CMM.20 is widely praised for its compelling integrated bracelet design and comfortable 39mm wearability. Reviewers highlight its impressive value, featuring an in-house CMM.20 micro-rotor movement with a 70-hour power reserve, adjusted to -3/+7 seconds per day, all within a slim 9mm case. Some note the domed sapphire crystal can produce glare and the dial text is quite small. On balance, reviewers rate the Yema Wristmaster Slim CMM.20 highly for its integrated design and value proposition with a micro-rotor movement.

At a glance

12 of 29 specs differ
Diameter
SBGA37540mm
Wristmaster Slim CMM.2039mm
Power Reserve
SBGA37572h
Wristmaster Slim CMM.20
Water Resistance
SBGA375100m
Wristmaster Slim CMM.20100m
MSRP
SBGA375$5,600
Wristmaster Slim CMM.20$2,117

Full specifications

Case

6 specs
Category
Dress
GMT
Diameter
40mm
39mm
Thickness
12.5mm
9mm
Lug-to-Lug
46.2mm
Lug Width
19mm
24mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

2 specs
AR Coating
Yes
Dial Color
Black

Movement

3 specs
Caliber
Grand Seiko 9R65
Yema CMM.20
Type
Spring Drive
Automatic
Power Reserve
72h
0h

Pricing

1 specs
MSRP
$5,600
$2,117
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