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 $6,350

At a glance

21 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
MASTER COLLECTION25.5mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
MASTER COLLECTION45h
Water Resistance
Flyboy Airmaster GMT Automatic50m
MASTER COLLECTION30m
MSRP
Flyboy Airmaster GMT Automatic$365
MASTER COLLECTION$6,350

Full specifications

Case

9 specs
Category
GMT
Diameter
40mm
25.5mm
Thickness
9mm
Lug-to-Lug
30.6mm
Lug Width
13mm
Material
316L Stainless Steel
Gold
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
$6,350

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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

The Longines Master Collection is widely praised for its excellent value, with reviewers and owners citing its dressy aesthetic, good fit and finish, and attractive complications like annual calendars and chronographs for under $3,000. Owners highlight the beautiful dials, engraved numerals, and the L893 caliber's 72-hour power reserve. Some find the standard Master Collection thin and well-finished, while others note a slightly thicker case on certain models. A few owners express reservations about the bracelet's adjustment options and the homogeneity of the case finishing. One reviewer points out that the subdial can obscure the '7' numeral on the Small Seconds model, and another notes that pushers can feel cheap and the chrono hour counter may not reset perfectly. Water resistance is noted as 30m on some models.

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