Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsSpinnaker Hull Diver

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
Hull Diver
SpinnakerHull Diver
MSRP $375

At a glance

9 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
Hull Diver42mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
Hull Diver40h
Water Resistance
Flyboy Airmaster GMT Automatic50m
Hull Diver300m
MSRP
Flyboy Airmaster GMT Automatic$365
Hull Diver$375

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
40mm
42mm
Thickness
15mm
Lug-to-Lug
47.5mm
Lug Width
22mm
Water Resistance
50m
300m

Crystal & Dial

1 specs
Dial Color
Black
Green

Movement

1 specs
Caliber
NH34
SII NH35A

Pricing

1 specs
MSRP
$365
$375

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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 Hull Diver

The Spinnaker Hull Diver is widely praised for its excellent build quality, featuring a milled clasp, solid links, and a strong anti-reflective coating on its sapphire crystal. Owners highlight its value, with one calling it one of their best affordable watches at $170, and appreciate the dual-part case construction that contributes to a reduced thickness. The blue dial is noted for its attractive play of light, and the screw-down crown is easy to operate. However, the lume is considered average, and some desire a higher beat movement. On balance, owners rate the Spinnaker Hull Diver highly for its robust construction and strong value proposition at its price point.

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