Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsHorage Omnium K2

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
Omnium K2
HorageOmnium K2
MSRP $5,140

At a glance

12 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
Omnium K237.3mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
Omnium K272h
Water Resistance
Flyboy Airmaster GMT Automatic50m
Omnium K2100m
MSRP
Flyboy Airmaster GMT Automatic$365
Omnium K2$5,140

Full specifications

Case

7 specs
Category
GMT
Dress
Diameter
40mm
37.3mm
Thickness
7.95mm
Lug-to-Lug
43.8mm
Lug Width
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

2 specs
AR Coating
Inner
No
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
NH34
Horage K2
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$365
$5,140

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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.

Horage Omnium K2

The Horage Omnium K2 is lauded for its slim 7.95mm profile and chronometer-certified K2 micro-rotor movement with a 72-hour power reserve. Reviewers note its technical innovation, including a proprietary silicon escapement and modular K1 movement, and praise its value. However, some find the molded, luminous hour numerals too whimsical, and the explicit mention of "silicon escapement" on the dial is considered unnecessary. On balance, reviewers rate the Horage Omnium K2 highly for its technical innovation and slim profile at its price point.

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