Side by side

Grand Seiko SLGH017vsYema Wristmaster Slim CMM.20

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

SLGH017
Grand SeikoSLGH017
MSRP $10,500
Wristmaster Slim CMM.20
YemaWristmaster Slim CMM.20
MSRP $2,117

At a glance

10 of 29 specs differ
Diameter
SLGH01740mm
Wristmaster Slim CMM.2039mm
Power Reserve
SLGH01780h
Wristmaster Slim CMM.2040h
Water Resistance
SLGH017100m
Wristmaster Slim CMM.20100m
MSRP
SLGH017$10,500
Wristmaster Slim CMM.20$2,117

Full specifications

Case

6 specs
Category
Dress
GMT
Diameter
40mm
39mm
Thickness
11.7mm
9mm
Lug-to-Lug
47mm
Lug Width
22mm
24mm
Material
Titanium
316L Stainless Steel

Crystal & Dial

1 specs
AR Coating
Yes
Inner

Movement

2 specs
Caliber
9SA5
Yema CMM.20
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$10,500
$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 SLGH017

Grand Seiko SLGH017 owners and reviewers widely praise its impeccable finishing on the applied markers and handset, and its lightweight titanium case and bracelet. The high-beat 9SA5 movement is noted for its approximately 80-hour power reserve, with accuracy figures reported by owners ranging from +4 sec/day to +5 to -3 seconds per day, though some owners express concerns about accuracy deviating significantly from specifications. Some find the "Night Birch" dial stunning and appreciate the Evo 9 case design, while others note the dial texture appears less pronounced on its matte black surface and criticize the handset's proportions and lack of lume. The Grand Seiko SLGH017 is priced at €10,500. On balance, owners and reviewers rate the Grand Seiko SLGH017 highly for its lightweight titanium construction and impeccable finishing.

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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