Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsMaen Skymaster 38 MKIII

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
Skymaster 38 MKIII
MaenSkymaster 38 MKIII
MSRP $1,679

At a glance

8 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
Skymaster 38 MKIII38mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
Skymaster 38 MKIII40h
Water Resistance
Flyboy Airmaster GMT Automatic50m
Skymaster 38 MKIII100m
MSRP
Flyboy Airmaster GMT Automatic$365
Skymaster 38 MKIII$1,679

Full specifications

Case

4 specs
Category
GMT
Chronograph
Diameter
40mm
38mm
Thickness
13.4mm
Water Resistance
50m
100m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
M6.1.1

Movement

1 specs
Caliber
NH34
Sellita SW510mb

Pricing

1 specs
MSRP
$365
$1,679

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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.

Maen Skymaster 38 MKIII

The Maen Skymaster 38 MKIII is praised for its refined case, impressive fit and finish, and compact 38mm size, which offers a premium feel with a sharp, legible dial and well-executed applied markers. Reviewers note the sweet winding action and the vintage-inspired brown sunburst dial with dauphine hands and lollipop register pointers. The watch is powered by a manual-wind Sellita SW510Mb movement with a 63-hour power reserve. Accuracy figures vary, with one reviewer reporting +7 seconds per day and another stating a tolerance of +/-15 seconds per day. On balance, owners and reviewers appreciate the Maen Skymaster 38 MKIII for its refined vintage-inspired design and compact dimensions at its price point.

From video reviewers

The 38mm case size is a key strength for the Maen Skymaster 38 MKIII. Reviewers noted the excellent quality-price ratio for a Swiss-made chronograph.

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