Side by side

Grand Seiko STGK031vsStudio Underd0g The Mimosa

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

STGK031
Grand SeikoSTGK031
MSRP $6,600
The Mimosa
Studio Underd0gThe Mimosa
MSRP $1,000

At a glance

12 of 29 specs differ
Diameter
STGK03130mm
The Mimosa39.5mm
Power Reserve
STGK03150h
The Mimosa40h
Water Resistance
STGK031100m
The Mimosa
MSRP
STGK031$6,600
The Mimosa$1,000

Full specifications

Case

6 specs
Category
Dress
Casual
Diameter
30mm
39.5mm
Thickness
10.5mm
Lug-to-Lug
36.2mm
Lug Width
15mm
Water Resistance
100m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Standard

Movement

3 specs
Caliber
9S27
Type
Automatic
Manual
Power Reserve
50h
40h

Pricing

1 specs
MSRP
$6,600
$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 STGK031

Grand Seiko STGK031 owners widely praise its subtle, light pink dial that shifts to appear white or silver depending on lighting, its refined 30mm case size, and its simple elegance. Some find the 30mm sizing perfect for wearability, with one owner noting it is ideal for those who find 38mm watches too large. The Zaratsu polishing is also a noted strength. However, the Calibre 9S27 movement has a 50-hour power reserve and an accuracy range of +8 to -3 seconds per day, which some consider modest for the price. On balance, owners and reviewers rate the Grand Seiko STGK031 highly for its versatile dial and refined 30mm case.

From video reviewers

The 50-hour power reserve of the Calibre 9S27 movement is a shared strength. The 36mm lug-to-lug measurement is a weakness. Reviewers disagreed on the premium feel of the polished stainless steel case and bracelet compared to Zaratsu polishing.

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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