Side by side

Hamilton Khaki Aviation Converter AutovsZelos Hammerhead V3 300m Titanium

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
Hammerhead V3 300m Titanium
ZelosHammerhead V3 300m Titanium
MSRP $559

At a glance

12 of 29 specs differ
Diameter
Khaki Aviation Converter Auto42mm
Hammerhead V3 300m Titanium44mm
Power Reserve
Khaki Aviation Converter Auto80h
Hammerhead V3 300m Titanium40h
Water Resistance
Khaki Aviation Converter Auto100m
Hammerhead V3 300m Titanium300m
MSRP
Khaki Aviation Converter Auto$1,345
Hammerhead V3 300m Titanium$559

Full specifications

Case

7 specs
Category
Pilot
Diver
Diameter
42mm
44mm
Thickness
10.87mm
13mm
Lug-to-Lug
46mm
44mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
100m
300m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
Ti - Mosaic MOP

Movement

2 specs
Caliber
H-10
Seiko NH35
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$1,345
$559

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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 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 Hammerhead V3 300m Titanium

The Zelos Hammerhead V3 300m Titanium is widely praised for its exceptional lume, unique and beautiful dial finishing that reflects light dramatically, and solid build quality that exceeds its price point. Owners also highlight its comfortable wearability, especially the lightweight titanium variant, and the convenient on-the-fly micro-adjustment on the bracelet. One owner notes the Japanese movement performs better than anticipated, and the Ti-Damascus variant features a unique, patterned dial and bezel. However, some owners find the 44mm size large, the crown "off," and the bracelet clasp could be more scratch-resistant, with resizing pins described as stubborn. Reattaching the bracelet after removal is also noted as extremely difficult. Overall, owners rate the Zelos Hammerhead V3 300m Titanium highly for its impressive dial aesthetics and value for money.

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