Side by side

Grand Seiko SBGM221vsStudio Underd0g The Mimosa

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

SBGM221
Grand SeikoSBGM221
MSRP $5,400
The Mimosa
Studio Underd0gThe Mimosa
MSRP $1,000

At a glance

11 of 29 specs differ
Diameter
SBGM22139.5mm
The Mimosa39.5mm
Power Reserve
SBGM22172h
The Mimosa40h
Water Resistance
SBGM22130m
The Mimosa
MSRP
SBGM221$5,400
The Mimosa$1,000

Full specifications

Case

5 specs
Category
GMT
Casual
Thickness
13.7mm
Lug-to-Lug
46.9mm
Lug Width
19mm
Water Resistance
30m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Standard

Movement

3 specs
Caliber
9S66
Type
Automatic
Manual
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$5,400
$1,000

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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.

Studio Underd0g The Mimosa

Studio Underd0g The Mimosa is praised for its playful, layered dial design evoking a cocktail, its comfortable 38mm cushion case, and the tactile experience of its manual-wind Sellita SW210-1 movement. Reviewers appreciate the fun collaboration and the easter egg of the textured dial, finding it fitting for the watch's playful nature, and one owner notes its 10atm water resistance rating was proven by surviving a swim. Owners and reviewers consider its $1,300 price steep for the Sellita SW210-1 movement, with some wishing for more competitive pricing or questioning if it offers the best value. Overall, owners and reviewers rate Studio Underd0g The Mimosa highly for its unique, playful dial design and comfortable wearability.

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