Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsZelos Hammerhead V3 300m Bronze

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
Hammerhead V3 300m Bronze
ZelosHammerhead V3 300m Bronze
MSRP $449

At a glance

11 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
Hammerhead V3 300m Bronze44mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
Hammerhead V3 300m Bronze40h
Water Resistance
Flyboy Airmaster GMT Automatic50m
Hammerhead V3 300m Bronze300m
MSRP
Flyboy Airmaster GMT Automatic$365
Hammerhead V3 300m Bronze$449

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
40mm
44mm
Thickness
13mm
Lug-to-Lug
44mm
Lug Width
22mm
Material
316L Stainless Steel
Titanium
Water Resistance
50m
300m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
Bronze - Frost

Movement

1 specs
Caliber
NH34
Seiko NH35

Pricing

1 specs
MSRP
$365
$449

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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.

Zelos Hammerhead V3 300m Bronze

Owners widely praise the Zelos Hammerhead V3 300m Bronze for its distinctive 70s-inspired design, slim 13.5mm case, and improved lume, offering a sophisticated timepiece at an accessible price point starting at $349. The unique dial is noted for evoking an otherworldly feeling, and the comfortable bracelet features on-the-fly micro-adjustment. Some enthusiasts express frustration with shipping delays and a desire to see the watch on a wrist before purchase. One owner flags that the clasp material could be more scratch-resistant, and resizing bracelet pins can be stubborn. On balance, owners rate the Zelos Hammerhead V3 300m Bronze highly for its unique design and build quality at its price point.

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