Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsZelos Hammerhead (Tantalum LE)

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 (Tantalum LE)
ZelosHammerhead (Tantalum LE)
MSRP $1,499

At a glance

11 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
Hammerhead (Tantalum LE)44mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
Hammerhead (Tantalum LE)40h
Water Resistance
Flyboy Airmaster GMT Automatic50m
Hammerhead (Tantalum LE)300m
MSRP
Flyboy Airmaster GMT Automatic$365
Hammerhead (Tantalum LE)$1,499

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
Tantalum LE

Movement

1 specs
Caliber
NH34
Seiko NH35

Pricing

1 specs
MSRP
$365
$1,499

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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 (Tantalum LE)

The Zelos Hammerhead (Tantalum LE) features a forged carbon dial and bezel insert with infused lume. On balance, owners and reviewers rate the Zelos Hammerhead (Tantalum LE) highly for its unique material composition and substantial feel.

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