Side by side

Grand Seiko SLGW007vsYema Wristmaster Slim CMM.20

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

SLGW007
Grand SeikoSLGW007
MSRP $10,000
Wristmaster Slim CMM.20
YemaWristmaster Slim CMM.20
MSRP $2,117

At a glance

12 of 29 specs differ
Diameter
SLGW00738.6mm
Wristmaster Slim CMM.2039mm
Power Reserve
SLGW00780h
Wristmaster Slim CMM.2040h
Water Resistance
SLGW00730m
Wristmaster Slim CMM.20100m
MSRP
SLGW007$10,000
Wristmaster Slim CMM.20$2,117

Full specifications

Case

7 specs
Category
Dress
GMT
Diameter
38.6mm
39mm
Thickness
9.95mm
9mm
Lug-to-Lug
45mm
Lug Width
20mm
24mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
30m
100m

Crystal & Dial

1 specs
AR Coating
Yes
Inner

Movement

3 specs
Caliber
9SA4
Yema CMM.20
Type
Manual
Automatic
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$10,000
$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 SLGW007

Grand Seiko SLGW007 owners and reviewers praise its compact 38.6mm x 9.95mm Evolution 9 case and the textured "Moonlit Birch" dial, described as moody, elegant, and captivating. The technically credible 9SA4 hand-wound movement with an 80-hour power reserve is also highlighted. Its 30m water resistance and lack of lume are noted as appropriate for a dress watch. Overall, owners and reviewers rate the Grand Seiko SLGW007 highly for its refined case, captivating dial, and updated movement.

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.

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