Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsZelos Hammerhead 43 Field

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 43 Field
ZelosHammerhead 43 Field
MSRP $399

At a glance

10 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
Hammerhead 43 Field43mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
Hammerhead 43 Field40h
Water Resistance
Flyboy Airmaster GMT Automatic50m
Hammerhead 43 Field300m
MSRP
Flyboy Airmaster GMT Automatic$365
Hammerhead 43 Field$399

Full specifications

Case

6 specs
Category
GMT
Field
Diameter
40mm
43mm
Thickness
13mm
Lug-to-Lug
43mm
Lug Width
22mm
Water Resistance
50m
300m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
Purple

Movement

1 specs
Caliber
NH34
Seiko NH38

Pricing

1 specs
MSRP
$365
$399

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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 43 Field

The Zelos Hammerhead 43 Field is praised for its unique bronze case patina potential, masculine angular design, and fantastic lume. Owners also highlight the lovely Mosaic Ember and purple agate dials. However, some owners feel the 43mm case wears large, suited for wrists 7.5 inches and up, and a reviewer notes its substantial 17mm thickness. The rubber strap is disliked for making the watch feel top-heavy, and the date window is considered tiny and hard to see. Some owners express disappointment with the NH movement. Overall, owners and reviewers rate the Zelos Hammerhead 43 Field well for its distinctive design and dial appeal at its price point.

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