Side by side

Hamilton American Classic Spirit of Liberty Auto ChronovsHamilton Khaki Aviation Converter Auto

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

At a glance

7 of 29 specs differ
Diameter
American Classic Spirit of Liberty Auto Chrono42mm
Khaki Aviation Converter Auto42mm
Power Reserve
American Classic Spirit of Liberty Auto Chrono40h
Khaki Aviation Converter Auto80h
Water Resistance
American Classic Spirit of Liberty Auto Chrono50m
Khaki Aviation Converter Auto100m
MSRP
American Classic Spirit of Liberty Auto Chrono$2,225
Khaki Aviation Converter Auto$1,345

Full specifications

Case

4 specs
Category
Chronograph
Pilot
Thickness
14.75mm
10.87mm
Lug Width
22mm
20mm
Water Resistance
50m
100m

Movement

2 specs
Caliber
H-21
H-10
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$2,225
$1,345

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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 American Classic Spirit of Liberty Auto Chrono

Owners widely praise the Hamilton American Classic Spirit of Liberty Auto Chrono for its impressive craftsmanship, details, and overall finish, noting sharp edges on the mixed brushed and polished lugs that give it a premium look and a refined yet bold presence. The watch offers an improved 60-hour power reserve and increased precision. However, its pushers are noted as being chunky. On balance, owners rate the Hamilton American Classic Spirit of Liberty Auto Chrono highly for its premium finishing and refined presence on the wrist.

Hamilton Khaki Aviation Converter Auto

The Hamilton Khaki Aviation Converter Auto is recognized for its classic pilot's watch aesthetic, featuring a functional bi-directional slide rule bezel with a mineral glass insert for scratch protection. Reviewers highlight its instrument-heavy design, well-balanced dial, and robust 42mm or 44mm case with a satin-brushed finish and polished accents. The watch is equipped with applied indexes and hands filled with Super-LumiNova for legibility, and a flat sapphire crystal with double anti-reflective coating. The automatic models utilize the H-10 movement, offering a 60-hour power reserve, while the chronograph version uses the H-21-Si movement. Overall, reviewers praise the Hamilton Khaki Aviation Converter Auto for its attractive, functional pilot's watch design and robust build at its price point.

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