Side by side

Grand Seiko SBGM221vsYema Superman Gilt CMM.10

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

SBGM221
Grand SeikoSBGM221
MSRP $5,400
Superman Gilt CMM.10
YemaSuperman Gilt CMM.10
MSRP $1,699

At a glance

11 of 29 specs differ
Diameter
SBGM22139.5mm
Superman Gilt CMM.1039mm
Power Reserve
SBGM22172h
Superman Gilt CMM.1040h
Water Resistance
SBGM22130m
Superman Gilt CMM.10300m
MSRP
SBGM221$5,400
Superman Gilt CMM.10$1,699

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
39.5mm
39mm
Thickness
13.7mm
11.3mm
Lug-to-Lug
46.9mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
30m
300m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner

Movement

2 specs
Caliber
9S66
Yema CMM.10
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$5,400
$1,699

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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 SBGM221

Grand Seiko SBGM221 is widely praised for its exceptional dial finish, highly polished hands and indices, and elegant design. Owners consistently highlight the stunning craftsmanship, with specific mention of the up to 11 hand-polished facets on its rectangular markers. The reliable 9S66 movement is noted for its 72-hour power reserve and true GMT functionality, tested beyond Chronometer specifications. Some enthusiasts desire a bidirectional 24-hour bezel, which the Grand Seiko SBGM221 lacks, and its 13.7mm thickness and 19mm lug width are noted as potential limitations. On balance, owners rate the Grand Seiko SBGM221 highly for its exquisite finishing and elegant, comfortable design.

From video reviewers

The SBGM221 is praised for its value within the Grand Seiko lineup. The lug width is cited as a weakness.

Yema Superman Gilt CMM.10

Owners and reviewers widely praise the Yema Superman Gilt CMM.10 for its comfortable, slim wearability and captivating gilt-accented sunburst dial, making it a frequent choice for daily wear. The in-house CMM.10 automatic movement is noted for its impressive accuracy, regulated to +5/-3 seconds per day, and a 70-hour power reserve. One owner wished for an option without gold accents, and the bracelet's articulation is mentioned as potentially not suiting smaller wrists, though a 39mm case option exists. Overall, owners and reviewers rate the Yema Superman Gilt CMM.10 highly for its value and comfortable, attractive design.

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