Side by side

Hamilton Khaki Aviation Converter AutovsSpinnaker Fleuss 40 Automatic

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

Khaki Aviation Converter Auto
HamiltonKhaki Aviation Converter Auto
MSRP $1,345
Fleuss 40 Automatic
SpinnakerFleuss 40 Automatic
MSRP $450

At a glance

10 of 29 specs differ
Diameter
Khaki Aviation Converter Auto42mm
Fleuss 40 Automatic40mm
Power Reserve
Khaki Aviation Converter Auto80h
Fleuss 40 Automatic40h
Water Resistance
Khaki Aviation Converter Auto100m
Fleuss 40 Automatic150m
MSRP
Khaki Aviation Converter Auto$1,345
Fleuss 40 Automatic$450

Full specifications

Case

6 specs
Category
Pilot
Diver
Diameter
42mm
40mm
Thickness
10.87mm
11mm
Lug-to-Lug
46mm
47mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
150m

Crystal & Dial

1 specs
Dial Color
Black
Coral

Movement

2 specs
Caliber
H-10
SII NH35A
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$1,345
$450

Follow this matchup

Get a note when Hamilton Khaki Aviation Converter Auto vs Spinnaker Fleuss 40 Automatic gets more votes, a community discussion, or a price drop. No account needed.

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 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.

Spinnaker Fleuss 40 Automatic

Owners find the Spinnaker Fleuss 40 Automatic a good size for smaller wrists, though one owner notes the lume is too diffuse for easy nighttime reading. The pilot-style crown is an unusual feature for a dive watch. Overall, owners value the Spinnaker Fleuss 40 Automatic for its wearability on smaller wrists.

From video reviewers

The coral red dial is a unique aesthetic. The watch is a strong contender for best-in-class under $300.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.