Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsZelos Helmsman 3

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
Helmsman 3
ZelosHelmsman 3
MSRP $529

At a glance

9 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
Helmsman 340mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
Helmsman 340h
Water Resistance
Flyboy Airmaster GMT Automatic50m
Helmsman 3200m
MSRP
Flyboy Airmaster GMT Automatic$365
Helmsman 3$529

Full specifications

Case

5 specs
Category
GMT
Diver
Thickness
11.5mm
Lug-to-Lug
40mm
Lug Width
20mm
Water Resistance
50m
200m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
SS - Frost

Movement

1 specs
Caliber
NH34
Miyota 9015

Pricing

1 specs
MSRP
$365
$529

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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.

Zelos Helmsman 3

Owners widely praise the Zelos Helmsman 3 for its exceptional finishing and polishing on the titanium case, with some noting it feels nicer than previous models. The unique Titanium Crystalline Dial and Damascus Titanium dial are frequently highlighted as aesthetically pleasing and head-turning features, especially considering the price point. The brushed beads of rice bracelet is described as fitting well, and the on-the-fly clasp is considered amazing. Lume is also noted as great, with lumed crowns being a positive observation. However, some owners report the watch can feel top-heavy with sharp edges, making it uncertain as a daily driver for some. The meteorite bezel is seen by one owner as not adding significant value, and the stock strap's keepers and stitching were considered to detract from the watch's appearance.

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