Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsLum-Tec Combat 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
Combat Field
Lum-TecCombat Field
MSRP $695

At a glance

10 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
Combat Field44mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
Combat Field40h
Water Resistance
Flyboy Airmaster GMT Automatic50m
Combat Field200m
MSRP
Flyboy Airmaster GMT Automatic$365
Combat Field$695

Full specifications

Case

6 specs
Category
GMT
Sport
Diameter
40mm
44mm
Lug-to-Lug
50mm
Lug Width
22mm
Material
316L Stainless Steel
Titanium
Water Resistance
50m
200m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
X6 Titanium GMT

Movement

1 specs
Caliber
NH34
Miyota 9075

Pricing

1 specs
MSRP
$365
$695

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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.

Lum-Tec Combat Field

Owners widely praise the Lum-Tec Combat Field for its rugged build and excellent lume, with one owner highlighting the bronze case and California dial as special features. The DLC coating is considered durable, and the PVD finish offers a "pure sport" blacked-out aesthetic. Some owners appreciate the modern look and design elements like skeleton hands and a 9 o'clock crown, noting that the 43mm case wears smaller than its dimensions suggest. One owner experienced an issue with a chronograph second hand not aligning correctly, a common quartz chronograph problem. On balance, owners rate the Lum-Tec Combat Field highly for its robust construction and distinctive design elements.

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