Side by side

Grand Seiko SBGW257vsYema Superman Worldtime GMT

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

SBGW257
Grand SeikoSBGW257
MSRP $38,000
Superman Worldtime GMT
YemaSuperman Worldtime GMT
MSRP $1,549

At a glance

13 of 29 specs differ
Diameter
SBGW25738mm
Superman Worldtime GMT39mm
Power Reserve
SBGW25772h
Superman Worldtime GMT40h
Water Resistance
SBGW25730m
Superman Worldtime GMT300m
MSRP
SBGW257$38,000
Superman Worldtime GMT$1,549

Full specifications

Case

7 specs
Category
Dress
GMT
Diameter
38mm
39mm
Thickness
10.9mm
Lug-to-Lug
45.8mm
Lug Width
19mm
20mm
Material
Platinum
Stainless Steel
Water Resistance
30m
300m

Crystal & Dial

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

Movement

3 specs
Caliber
9S64
Type
Manual
Automatic
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$38,000
$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 SBGW257

The Grand Seiko SBGW257 is a platinum dress watch praised for its refined, subtle luxury and classic design. Reviewers highlight its 38mm diameter and 10.9mm thickness as near-perfect sizing for a dress watch. The watch features an 18k white gold dial with a sunray-brushed silver finish and gold hour markers, complemented by a refined application of the Grand Seiko wordmark. It is powered by the manual-wind Caliber 9S64 movement, offering a 72-hour power reserve and an accuracy rating of +5 to -3 seconds per day. The Grand Seiko SBGW257 is priced at €39,000. On balance, reviewers appreciate the Grand Seiko SBGW257 for its exquisite finishing and classic proportions, embodying a quiet luxury.

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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