Side by side

Grand Seiko SBGA375vsStudio Underd0g Full Moon

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

SBGA375
Grand SeikoSBGA375
MSRP $5,600
Full Moon
Studio Underd0gFull Moon
MSRP $800

At a glance

12 of 29 specs differ
Diameter
SBGA37540mm
Full Moon39.5mm
Power Reserve
SBGA37572h
Full Moon40h
Water Resistance
SBGA375100m
Full Moon
MSRP
SBGA375$5,600
Full Moon$800

Full specifications

Case

6 specs
Category
Dress
Casual
Diameter
40mm
39.5mm
Thickness
12.5mm
Lug-to-Lug
46.2mm
Lug Width
19mm
Water Resistance
100m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Standard

Movement

3 specs
Caliber
9R65
Type
Spring Drive
Manual
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$5,600
$800

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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 SBGA375

Grand Seiko SBGA375 owners praise its classic, subtle design and the engineering of its Spring Drive movement, with one noting it "does not fail to deliver what they are known for." The dial offers good legibility, with polished side bevels on the hour markers catching light well. However, one owner scuffed the bezel within a week, and another questioned if a lug was missing. Overall, owners rate the Grand Seiko SBGA375 highly for its refined design and movement engineering, signaling discerning taste.

From video reviewers

The Spring Drive movement's smooth sweep is a key strength. The bracelet's taper and clasp were cited as areas for improvement.

Studio Underd0g Full Moon

Owners widely praise the Studio Underd0g Full Moon's harmonious creamy dial and its 37mm case, which fits flawlessly. The innovative sapphire disc with numerals is a highlight, though two visible screws holding it are noted as a minor aesthetic drawback. Some owners find the watch overpriced, while others see value in the upgraded Sellita movement under $1k. Lume is surprisingly good, and the included NATO strap is preferred by some over the leather. Accuracy ranges from +1/+2 seconds per day to about -6 seconds per day. On balance, owners rate the Studio Underd0g Full Moon highly for its versatile dial and well-fitting case at the price point.

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