Side by side

Grand Seiko SLGB003vsStudio Underd0g Full Moon

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

SLGB003
Grand SeikoSLGB003
MSRP $11,400
Full Moon
Studio Underd0gFull Moon
MSRP $800

At a glance

13 of 29 specs differ
Diameter
SLGB00337mm
Full Moon39.5mm
Power Reserve
SLGB00372h
Full Moon40h
Water Resistance
SLGB003100m
Full Moon
MSRP
SLGB003$11,400
Full Moon$800

Full specifications

Case

7 specs
Category
Dress
Casual
Diameter
37mm
39.5mm
Thickness
11.4mm
Lug-to-Lug
44.3mm
Lug Width
20mm
Material
Titanium
Stainless Steel
Water Resistance
100m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Standard

Movement

3 specs
Caliber
9RB2
Type
Spring Drive
Manual
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$11,400
$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 SLGB003

Grand Seiko SLGB003 owners widely praise its lightness and comfort, with a dial that offers a shifting character in different lighting conditions. Reviewers note its compact case size enhances wearability and versatility across wrist sizes. However, one owner found the dial underwhelming, and another reported a date disc issue with lower numbers not changing correctly. Some question the value proposition at around $10,000, citing the bracelet and dial as potential drawbacks, while others highlight the movement and smaller dimensions as significant positives. On balance, owners rate the Grand Seiko SLGB003 highly for its movement and compact dimensions, despite some reservations about the dial and bracelet.

From video reviewers

The watch's exceptional accuracy is a notable strength, with both reviewers highlighting its precise timekeeping. A weakness is the relatively high price point compared to other Grand Seiko models. Reviewers disagree on the ideal case size, with one reviewer noting it's relatively small at 37mm, while the other doesn't mention case size as a concern.

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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