Side by side

Studio Underd0g Full MoonvsTudor Black Bay

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

Full Moon
Studio Underd0gFull Moon
MSRP $800
Black Bay
TudorBlack Bay

At a glance

13 of 29 specs differ
Diameter
Full Moon39.5mm
Black Bay41mm
Power Reserve
Full Moon40h
Black Bay70h
Water Resistance
Full Moon
Black Bay200m
MSRP
Full Moon$800
Black Bay

Full specifications

Case

8 specs
Category
Casual
Diver
Diameter
39.5mm
41mm
Thickness
14.7mm
Lug-to-Lug
46mm
Lug Width
22mm
Finish
Brushed and polished
Polished + Satin
Water Resistance
200m
Caseback
Solid
Engraved

Crystal & Dial

1 specs
Dial Color
Standard
Black

Movement

3 specs
Caliber
MT5602
Type
Manual
Automatic
Power Reserve
40h
70h

Pricing

1 specs
MSRP
$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.

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.

Tudor Black Bay

Owners widely praise the Tudor Black Bay for its comfortable wearability, robust build, and vintage-inspired aesthetics, with specific mentions of its satisfying winding feel and sturdy bezel action. Reviewers highlight the 39mm Black Bay 58's comfortable size and thinness, while others note the 41mm Master Chronometer's reliable timekeeping and magnetic resistance. Some owners find the GMT hand difficult to distinguish in low light. A recurring point of contention across multiple sources is the lack of on-the-fly micro-adjustment on the bracelet, though some find aftermarket solutions adequate. One owner reported the watch losing two minutes a day after six years, requiring a service. Overall, owners and reviewers rate the Tudor Black Bay highly for its blend of vintage charm, modern robustness, and comfortable wearability.

From video reviewers

The COSC-certified accuracy of the movement is a notable strength. The 14.7mm to 14.8mm thickness is cited as a potential drawback. Reviewers are divided on whether the newer models represent a departure from the Black Bay's heritage design.

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