Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsStudio Underd0g Watermelon (Gen3)

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

Flyboy Airmaster GMT Automatic
AVI-8Flyboy Airmaster GMT Automatic
MSRP $365
Watermelon (Gen3)
Studio Underd0gWatermelon (Gen3)
MSRP $550

At a glance

8 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
Watermelon (Gen3)38.5mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
Watermelon (Gen3)40h
Water Resistance
Flyboy Airmaster GMT Automatic50m
Watermelon (Gen3)
MSRP
Flyboy Airmaster GMT Automatic$365
Watermelon (Gen3)$550

Full specifications

Case

4 specs
Category
GMT
Chronograph
Diameter
40mm
38.5mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m

Crystal & Dial

2 specs
AR Coating
Inner
Inside
Dial Color
Black

Movement

1 specs
Caliber
NH34

Pricing

1 specs
MSRP
$365
$550

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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.

AVI-8 Flyboy Airmaster GMT Automatic

Owners widely praise the AVI-8 Flyboy Airmaster GMT Automatic for its robust build quality, intricate three-timezone function, and crisp dial texture. The watch is noted for its wearable 41mm case size and 48.5mm lug-to-lug, with an internally positioned GMT complication that maintains a clean dial appearance. Some owners report the stock leather strap feels cheap and limits strap changing options. On balance, owners rate the AVI-8 Flyboy Airmaster GMT Automatic highly for its solid finishing and value, particularly highlighting the dial's depth and texture.

Studio Underd0g Watermelon (Gen3)

Owners widely praise the Studio Underd0g Watermelon (Gen3) for its fun, entrepreneurial, and affordable nature, with a design described as "Bauhaus meets Bugs Bunny." However, some find its colors a love-it-or-hate-it feature and others perceive the overall quality and finishing as a tier below comparable watches. Accuracy figures are not specified, but one owner found the watch too thick for their taste. The chronograph function has been noted as potentially sticky or jumpy. On balance, owners are divided on the Studio Underd0g Watermelon (Gen3), with opinions split between its unique design and perceived value for money.

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