Side by side

Hamilton Khaki Aviation Pilot Pioneer Mechanical ChronovsZelos Great White 43

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

Great White 43
ZelosGreat White 43
MSRP $599

At a glance

10 of 29 specs differ
Diameter
Khaki Aviation Pilot Pioneer Mechanical Chrono40mm
Great White 4343mm
Power Reserve
Khaki Aviation Pilot Pioneer Mechanical Chrono60h
Great White 4340h
Water Resistance
Khaki Aviation Pilot Pioneer Mechanical Chrono100m
Great White 43300m
MSRP
Khaki Aviation Pilot Pioneer Mechanical Chrono$2,445
Great White 43$599

Full specifications

Case

6 specs
Category
Pilot
Diver
Diameter
40mm
43mm
Thickness
14.35mm
12mm
Lug-to-Lug
50mm
43mm
Material
Stainless Steel
Titanium (DLC coated)
Water Resistance
100m
300m

Movement

3 specs
Caliber
H-51-Si
Miyota 9015
Type
Manual
Automatic
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$2,445
$599

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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 Great White 43

Owners widely praise the Zelos Great White 43's "unbelievable" and "amazing" lume, particularly on the carbon and Frost variants. The Miyota 9015 movement and 300m water resistance are noted features. Some owners find the 43mm size large, while others report it wears well. Opinions are divided on colorways, with some disappointed by the absence of a "Nebula" option and others finding the "Arctic" version striking. Overall, owners rate the Zelos Great White 43 highly for its exceptional lume and robust specifications at the price point.

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