Side by side

Grand Seiko SBGX355vsYema Superman Worldtime GMT

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

SBGX355
Grand SeikoSBGX355
MSRP $4,100
Superman Worldtime GMT
YemaSuperman Worldtime GMT
MSRP $1,549

At a glance

12 of 29 specs differ
Diameter
SBGX35537mm
Superman Worldtime GMT39mm
Power Reserve
SBGX35540h
Superman Worldtime GMT40h
Water Resistance
SBGX355100m
Superman Worldtime GMT300m
MSRP
SBGX355$4,100
Superman Worldtime GMT$1,549

Full specifications

Case

7 specs
Category
Dress
GMT
Diameter
37mm
39mm
Thickness
10.6mm
Lug-to-Lug
44.6mm
Lug Width
19mm
20mm
Material
Titanium
Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
39mm Automatic

Movement

2 specs
Caliber
9F62
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$4,100
$1,549

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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 SBGX355

The Grand Seiko SBGX355 is widely praised for its beautiful dial, excellent finishing, and perfect 37mm size. Owners report unparalleled accuracy from the 9F62 quartz movement, rated to within 10 seconds per year. The high-intensity titanium case and 100m water resistance are noted features. Some consider the SBGX355 a "baby Snowflake" and a more accessible alternative to other models. Overall, owners and reviewers rate the Grand Seiko SBGX355 highly for its iconic Snowflake dial and exceptional quartz accuracy in a wearable 37mm case.

From video reviewers

The titanium case finishing is a significant strength. The deployant clasp is noted as prone to rattle. Reviewers disagree on the ideal case size for everyday wear.

Yema Superman Worldtime GMT

Owners widely praise the Yema Superman Worldtime GMT for its premium feel, unique bezel-lock mechanism, and attractive domed crystal. Some owners note the aluminum bezel insert is less desirable than ceramic and report the bracelet clasp can be stiff or difficult to open. Inconsistent quality control and poor customer service have been flagged by some owners. On balance, owners value the Yema Superman Worldtime GMT for its distinctive features and comfortable wearability.

From video reviewers

The "Coke" bezel and maxi dial are attractive design elements. The in-house automatic GMT movement is a French alternative to pricier GMTs.

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