Side by side

Grand Seiko SBGM245vsYema Wristmaster Slim CMM.20

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

SBGM245
Grand SeikoSBGM245
MSRP $6,100
Wristmaster Slim CMM.20
YemaWristmaster Slim CMM.20
MSRP $2,117

At a glance

10 of 29 specs differ
Diameter
SBGM24540.5mm
Wristmaster Slim CMM.2039mm
Power Reserve
SBGM24572h
Wristmaster Slim CMM.2040h
Water Resistance
SBGM245200m
Wristmaster Slim CMM.20100m
MSRP
SBGM245$6,100
Wristmaster Slim CMM.20$2,117

Full specifications

Case

6 specs
Diameter
40.5mm
39mm
Thickness
14.4mm
9mm
Lug-to-Lug
48.6mm
Lug Width
20mm
24mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

1 specs
AR Coating
Yes
Inner

Movement

2 specs
Caliber
9S66
Yema CMM.20
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$6,100
$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 SBGM245

Owners widely appreciate the Grand Seiko SBGM245 for its blend of sport and luxury, with one enthusiast highlighting its superior workmanship over quartz movements. However, opinions on its size vary, as one owner found the SBGM245 too large, preferring the comfort of a different variant. Overall, owners value the Grand Seiko SBGM245 for its refined craftsmanship, though its wearability is a point of personal preference.

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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