Side by side

Hamilton Khaki Aviation Khaki Pilot Pioneer Auto ChronovsZelos GT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

GT
ZelosGT
MSRP $499

At a glance

8 of 29 specs differ
Diameter
Khaki Aviation Khaki Pilot Pioneer Auto Chrono41mm
GT42mm
Power Reserve
Khaki Aviation Khaki Pilot Pioneer Auto Chrono60h
GT40h
Water Resistance
Khaki Aviation Khaki Pilot Pioneer Auto Chrono100m
GT100m
MSRP
Khaki Aviation Khaki Pilot Pioneer Auto Chrono$1,995
GT$499

Full specifications

Case

4 specs
Diameter
41mm
42mm
Thickness
16mm
10.8mm
Lug-to-Lug
46mm
42mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
Beige
SS - Azzurro

Movement

2 specs
Caliber
H-31
Miyota 9133
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$1,995
$499

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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.

Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono

Owners widely praise the Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono for its excellent dial legibility and unique, vintage-inspired design, with some noting its thinness and 72-hour power reserve. Reviewers highlight its charismatic, function-forward military aesthetic and attractive dial execution. The watch is considered a wise starting point for a chronograph under $2,000, with observed accuracy around +/- 4 seconds per day and a 60-hour power reserve. Some owners find the non-screw-down crown limits water confidence, and one reviewer notes the mineral crystal scratches more easily than sapphire. The price is considered a bit punchy by one source. On balance, owners and reviewers rate the Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono highly for its handsome, utilitarian design and value.

Zelos GT

The Zelos GT is lauded for its value and bold design, with owners highlighting the cool power reserve meter and superb 3-point micro-adjust bracelet. Some owners find the case and lugs could hug the wrist better, and the bracelet is noted as being quite long, requiring significant link removal for a 7.1-inch wrist. The dark green dial, while inspired by Lamborghini, is described as appearing mostly black. Overall, owners rate the Zelos GT highly for its value and the quality of its bracelet at the price point.

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