Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsHamilton American Classic RailRoad Auto

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
American Classic RailRoad Auto
HamiltonAmerican Classic RailRoad Auto
MSRP $1,295

At a glance

10 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
American Classic RailRoad Auto32mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
American Classic RailRoad Auto43h
Water Resistance
Flyboy Airmaster GMT Automatic50m
American Classic RailRoad Auto50m
MSRP
Flyboy Airmaster GMT Automatic$365
American Classic RailRoad Auto$1,295

Full specifications

Case

6 specs
Category
GMT
Dress
Diameter
40mm
32mm
Thickness
11.3mm
Lug-to-Lug
46mm
Lug Width
16mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

1 specs
Dial Color
Black
Beige

Movement

2 specs
Caliber
NH34
ETA 2681
Power Reserve
40h
43h

Pricing

1 specs
MSRP
$365
$1,295

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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.

Hamilton American Classic RailRoad Auto

Owners widely praise the Hamilton American Classic RailRoad Auto as a versatile everyday watch, noting its stellar appearance on bracelet or strap and the desirable H-10 movement providing an 80-hour power reserve. The 40mm case, measuring 11.35mm thick with slightly turned-down lugs, contributes to a thinner perceived profile. It is offered for $430 shipped and includes a travel pouch.

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