Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsHamilton Khaki Field Day Date 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
Khaki Field Day Date Auto
HamiltonKhaki Field Day Date Auto
MSRP $895

At a glance

9 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
Khaki Field Day Date Auto42mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
Khaki Field Day Date Auto80h
Water Resistance
Flyboy Airmaster GMT Automatic50m
Khaki Field Day Date Auto50m
MSRP
Flyboy Airmaster GMT Automatic$365
Khaki Field Day Date Auto$895

Full specifications

Case

6 specs
Category
GMT
Field
Diameter
40mm
42mm
Thickness
11.2mm
Lug-to-Lug
46mm
Lug Width
20mm
Material
316L Stainless Steel
Stainless Steel

Movement

2 specs
Caliber
NH34
H-30
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$365
$895

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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 Khaki Field Day Date Auto

Owners widely praise the Hamilton Khaki Field Day Date Auto for its robust build, clear dial legibility, and versatility as a "go anywhere, do anything" watch, connecting them to a classic aesthetic and historical significance. Reviewers and owners alike highlight its value, with some noting the 80-hour power reserve from the H10 movement and 100m water resistance. However, some owners find its lume intensity and longevity inexcusable, and a common criticism of Hamilton watches is the lack of AR coating on the crystal. The bracelet finish and overall appearance are points of contention, with some considering it plain or overrated while others praise its finishing and attractive PVD. Accuracy ranges from excellent to simply "ok," with no consensus on movement quality. Overall, owners and reviewers rate the Hamilton Khaki Field Day Date Auto highly for its classic aesthetic, robust build, and value as an entry-level automatic field watch.

From video reviewers

The 80-hour power reserve from the H-40 movement is a significant strength. The 50-meter water resistance is considered limited for a field watch. Reviewers disagreed on the bracelet quality, with one noting rattle and another not mentioning it.

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