Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsLongines MASTER COLLECTION

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
MASTER COLLECTION
LonginesMASTER COLLECTION
MSRP $2,350

At a glance

21 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
MASTER COLLECTION29mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
MASTER COLLECTION45h
Water Resistance
Flyboy Airmaster GMT Automatic50m
MASTER COLLECTION30m
MSRP
Flyboy Airmaster GMT Automatic$365
MASTER COLLECTION$2,350

Full specifications

Case

9 specs
Category
GMT
Diameter
40mm
29mm
Thickness
9mm
Lug-to-Lug
34.5mm
Lug Width
15mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Water Resistance
50m
30m
Caseback
Solid
Transparent case back with sapphire crystal

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Black
Silver
Indices
Applied
Painted Arabic numerals
Lume
None
Super-LumiNova

Movement

6 specs
Caliber
NH34
L592.5
Power Reserve
40h
45h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds and date

Pricing

1 specs
MSRP
$365
$2,350

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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.

Longines MASTER COLLECTION

Owners and reviewers widely praise the Longines Master Collection for its excellent finishing and value, with specific mentions of beautiful dials featuring engraved Breguet numerals and blued hands. The movement offers a 72-hour power reserve, and the classical design is noted as versatile. Some owners report the bracelet lacks sufficient micro-adjustment options for a precise fit, and one owner experienced a broken moon phase setting mechanism requiring service. The Master Collection Annual Calendar has 30m water resistance, considered light by one reviewer. Overall, the consensus is that owners and reviewers rate the Longines Master Collection highly for its exceptional value and refined finishing.

From video reviewers

The watch has a strong wrist presence and comfort. The movement accuracy is also a notable feature, delivering luxury value at its price point.

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