Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsZelos Mako 4

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
Mako 4
ZelosMako 4
MSRP $529

At a glance

9 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
Mako 440mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
Mako 440h
Water Resistance
Flyboy Airmaster GMT Automatic50m
Mako 4300m
MSRP
Flyboy Airmaster GMT Automatic$365
Mako 4$529

Full specifications

Case

5 specs
Category
GMT
Diver
Thickness
12.2mm
Lug-to-Lug
40mm
Lug Width
20mm
Water Resistance
50m
300m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
Diver - Flare

Movement

1 specs
Caliber
NH34
Miyota 9015

Pricing

1 specs
MSRP
$365
$529

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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 Mako 4

Owners widely praise Zelos' dial finishing, with specific admiration for blued markers and hands, and the unique titanium bezel insert. Reviewers highlight the Mako 4's impressive case finishing and fully lumed ceramic bezel for its price point, noting the boxed sapphire crystal and wavy dial texture contribute to a vintage feel. The Sellita SW200 movement is described as reliable, with one owner reporting accuracy of -0.3 seconds per day. However, the crown can be difficult to grip, and the winding mechanism offers resistance when screwing down, while the watch's height may hinder wearability under a suit cuff. The tropic rubber strap is considered excellent, in contrast to a stiff leather option. On balance, owners and reviewers rate the Zelos Mako 4 highly for its exceptional dial and case finishing at its price point.

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