Side by side

Grand Seiko SBGE307vsStudio Underd0g Full Moon

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

SBGE307
Grand SeikoSBGE307
MSRP $11,500
Full Moon
Studio Underd0gFull Moon
MSRP $800

At a glance

13 of 29 specs differ
Diameter
SBGE30744.5mm
Full Moon39.5mm
Power Reserve
SBGE30772h
Full Moon40h
Water Resistance
SBGE307200m
Full Moon
MSRP
SBGE307$11,500
Full Moon$800

Full specifications

Case

7 specs
Category
GMT
Casual
Diameter
44.5mm
39.5mm
Thickness
14.9mm
Lug-to-Lug
50mm
Lug Width
23mm
Material
Titanium
Stainless Steel
Water Resistance
200m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Standard

Movement

3 specs
Caliber
9R66
Type
Spring Drive
Manual
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$11,500
$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 SBGE307

The Grand Seiko SBGE307 is praised for its unique "lion's mane" textured ivory dial and angular, modern titanium case featuring Zaratsu polishing. Reviewers highlight the aggressive, claw-shaped lugs and the contrasting hairline finishing, as well as the brownish-red GMT hand as a notable accent. The watch is powered by the 9R66 Spring Drive movement, offering a 72-hour power reserve and accuracy rated at +/- 15 seconds per month by one source, and +/- 1 second per day by another. It is priced at $10,700 USD and offers 200m water resistance. On balance, reviewers find the Grand Seiko SBGE307 to be a striking timepiece distinguished by its textured dial and sharp case finishing.

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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