Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsSpinnaker Dumas Automatic

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
Dumas Automatic
SpinnakerDumas Automatic
MSRP $239

At a glance

9 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
Dumas Automatic44mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
Dumas Automatic40h
Water Resistance
Flyboy Airmaster GMT Automatic50m
Dumas Automatic300m
MSRP
Flyboy Airmaster GMT Automatic$365
Dumas Automatic$239

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
40mm
44mm
Thickness
15mm
Lug-to-Lug
48mm
Lug Width
22mm
Water Resistance
50m
300m

Crystal & Dial

1 specs
Dial Color
Black
Blue

Movement

1 specs
Caliber
NH34
SII NH35A

Pricing

1 specs
MSRP
$365
$239

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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.

Spinnaker Dumas Automatic

Owners widely praise the Spinnaker Dumas Automatic for its attractive textured blue dial, applied indices, and well-finished case, noting its comfortable wearability due to a short lug-to-lug distance. Some owners flag the use of mineral crystal instead of sapphire and a bracelet with a learning curve and loose keeper. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetics and case finishing at its price point.

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