Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsHalios Universa II

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
Universa II
HaliosUniversa II
MSRP $995

At a glance

10 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
Universa II38mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
Universa II40h
Water Resistance
Flyboy Airmaster GMT Automatic50m
Universa II100m
MSRP
Flyboy Airmaster GMT Automatic$365
Universa II$995

Full specifications

Case

6 specs
Category
GMT
Dress
Diameter
40mm
38mm
Thickness
11.8mm
Lug-to-Lug
48mm
Lug Width
20mm
Water Resistance
50m
100m

Crystal & Dial

2 specs
Crystal
Sapphire
Sapphire (double-domed)
Dial Color
Black
Gold

Movement

1 specs
Caliber
NH34
Sellita SW300-1

Pricing

1 specs
MSRP
$365
$995

Follow this matchup

Get a note when AVI-8 Flyboy Airmaster GMT Automatic vs Halios Universa II gets more votes, a community discussion, or a price drop. No account needed.

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.

Halios Universa II

Owners widely praise the Halios Universa II for its applied indices, excellent finishing for the price, and comfortable 38mm dimensions. The integrated bracelet design with a satisfying micro-adjust clasp and case architecture are described as masterclasses. However, some find the bracelet clasp chunkier than the overall design, and the angular lug design is noted as not being for everyone. One owner reported unexpected pastel dial colors and a poor winding action. On balance, owners rate the Halios Universa II highly for its applied indices and excellent finishing at the price point.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.