Side by side

Grand Seiko SBGW258vsYema Wristmaster Slim Small Seconds CMM.29

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

SBGW258
Grand SeikoSBGW258
MSRP $26,000
Wristmaster Slim Small Seconds CMM.29
YemaWristmaster Slim Small Seconds CMM.29
MSRP $2,249

At a glance

11 of 29 specs differ
Diameter
SBGW25838mm
Wristmaster Slim Small Seconds CMM.2939mm
Power Reserve
SBGW25872h
Wristmaster Slim Small Seconds CMM.2940h
Water Resistance
SBGW25830m
Wristmaster Slim Small Seconds CMM.29100m
MSRP
SBGW258$26,000
Wristmaster Slim Small Seconds CMM.29$2,249

Full specifications

Case

6 specs
Diameter
38mm
39mm
Thickness
10.9mm
9mm
Lug-to-Lug
45.8mm
Lug Width
19mm
20mm
Material
Gold
Stainless Steel
Water Resistance
30m
100m

Crystal & Dial

1 specs
AR Coating
Yes
Inner

Movement

3 specs
Caliber
9S64
Yema CMM.29
Type
Manual
Automatic
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$26,000
$2,249

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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 SBGW258

The Grand Seiko SBGW258 is a yellow gold dress watch featuring a 38mm case and a manual-wind caliber 9S64 movement with a 72-hour power reserve, rated for accuracy to +5/-3 seconds per day. It includes a raised gold logo on the dial and comes with a brown leather strap. On balance, reviewers highlight the Grand Seiko SBGW258 as a classic, precious metal timepiece representing fine watchmaking tradition.

Yema Wristmaster Slim Small Seconds CMM.29

Owners widely praise the Yema Wristmaster Slim Small Seconds CMM.29 for its slim 9.5mm case, unique nature-inspired dial, and brushed steel finish. The micro-rotor movement is noted for its 4Hz beat rate and 42-hour power reserve, regulated to -/+ 10 seconds per day. Some owners report concerns regarding the movement and warranty process, while a reviewer questioned the value proposition at its price point and noted minor finishing inconsistencies on a prototype. On balance, the Yema Wristmaster Slim Small Seconds CMM.29 is highly regarded by owners for its distinctive design and comfortable wearability.

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