Side by side

Hamilton Khaki Aviation Pilot Pioneer Mechanical ChronovsZelos Eagle 2

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

Eagle 2
ZelosEagle 2
MSRP $899

At a glance

10 of 29 specs differ
Diameter
Khaki Aviation Pilot Pioneer Mechanical Chrono40mm
Eagle 239mm
Power Reserve
Khaki Aviation Pilot Pioneer Mechanical Chrono60h
Eagle 240h
Water Resistance
Khaki Aviation Pilot Pioneer Mechanical Chrono100m
Eagle 2100m
MSRP
Khaki Aviation Pilot Pioneer Mechanical Chrono$2,445
Eagle 2$899

Full specifications

Case

5 specs
Diameter
40mm
39mm
Thickness
14.35mm
11mm
Lug-to-Lug
50mm
39mm
Lug Width
22mm
20mm
Material
Stainless Steel
Titanium

Crystal & Dial

1 specs
Dial Color
Blue
Anthracite

Movement

3 specs
Caliber
H-51-Si
La Joux-Perret G100
Type
Manual
Automatic
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$2,445
$899

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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 Pilot Pioneer Mechanical Chrono

Owners and reviewers widely praise the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono for its authentic military design, attractive dial execution, and intriguing asymmetrical case, with many appreciating its utilitarian feel and vintage vibe. The hand-wound H-51-Si movement, offering a 60-hour power reserve and accuracy around +5 to +7 seconds per day, is also noted positively, as is the satisfying feel of manual winding. Some owners find the 36mm case size light and versatile, while others note it wears larger than its dimensions suggest. However, several sources point to the mineral crystal as a drawback compared to sapphire, and the lume is generally described as weak. The included strap is frequently criticized for being too long and uncomfortable, with many preferring it on a NATO strap. On balance, owners and reviewers rate the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono highly for its compelling vintage military aesthetic and solid value proposition.

Zelos Eagle 2

Owners widely praise the Zelos Eagle 2's unique meteorite dial and titanium case, with one owner describing it as a "work of art" featuring a fully lumed dial and a scratch-resistant 1,200 Vickers hardness-coated case. The LaJoux Perret G100Soigne movement provides a 68-hour power reserve. Some owners, however, find the dial layout "ugly" and the font thick, while others note minor QC issues like misaligned markers. On balance, owners rate the Zelos Eagle 2 highly for its distinctive meteorite dial and titanium construction at its price point.

From video reviewers

The watch's compact size is a notable strength, with a 39mm diameter case and 11mm thickness making it suitable for a pilot's watch. A potential weakness is the lug-to-lug fit, which may be too large for smaller wrists. Reviewers disagree on the bezel, with one reviewer highlighting the Cerakote finish as a standout feature, while another mentions the watch's bezel in passing without comment.

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