Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsMomentum Aquamatic

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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.

Momentum Aquamatic

Owners widely praise the Momentum Aquamatic for its comfortable fit and finish, particularly at its $200 price point. The Miyota 9015 automatic movement is seen as a significant upgrade over previous iterations, offering good value. Customer service is also noted as responsive. Information on the brand and watch can be scarce. Overall, owners rate the Momentum Aquamatic highly for its excellent value and the quality of the Miyota 9015 movement.

At a glance

11 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
Aquamatic42mm
Power Reserve
Flyboy Airmaster GMT Automatic
Aquamatic42h
Water Resistance
Flyboy Airmaster GMT Automatic50m
Aquamatic200m
MSRP
Flyboy Airmaster GMT Automatic$365
Aquamatic$629

Full specifications

Case

7 specs
Category
GMT
Diameter
40mm
42mm
Thickness
0mm
Lug-to-Lug
0mm
Lug Width
0mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
200m

Crystal & Dial

1 specs
Dial Color
Black

Movement

2 specs
Caliber
Seiko NH34
Miyota 9015
Power Reserve
0h
42h

Pricing

1 specs
MSRP
$365
$629
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