Side by side

Hamilton Khaki Aviation Converter AutovsZelos Spearfish 3

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
Spearfish 3
ZelosSpearfish 3
MSRP $749

At a glance

10 of 29 specs differ
Diameter
Khaki Aviation Converter Auto42mm
Spearfish 340mm
Power Reserve
Khaki Aviation Converter Auto80h
Spearfish 340h
Water Resistance
Khaki Aviation Converter Auto100m
Spearfish 3200m
MSRP
Khaki Aviation Converter Auto$1,345
Spearfish 3$749

Full specifications

Case

6 specs
Category
Pilot
Diver
Diameter
42mm
40mm
Thickness
10.87mm
11.5mm
Lug-to-Lug
46mm
40mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

1 specs
Dial Color
Black
Diver - Forged Carbon

Movement

2 specs
Caliber
H-10
La Joux-Perret G100
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$1,345
$749

Follow this matchup

Get a note when Hamilton Khaki Aviation Converter Auto vs Zelos Spearfish 3 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.

Zelos Spearfish 3

The Zelos Spearfish 3 is widely praised for its exceptional finishing, with razor-sharp polish and flawless brushed transitions that owners feel exceed its price point. The 40mm case is noted for its wearability, and the La Joux-Perret G100 movement offers a 68-hour power reserve, with reported accuracy averaging +2.6 seconds per day. Reviewers highlight the exceptionally smooth bi-directional bezel and a tool-less micro-adjustment clasp described as best-in-class among microbrands. The sapphire sandwich construction and lumed bezel are also cited as desirable features. Overall, owners and reviewers rate the Zelos Spearfish 3 highly for its outstanding finishing and value at its price point.

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.