Side by side

Hamilton Khaki Aviation Pilot Pioneer Mechanical ChronovsZelos Nova 37

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

Nova 37
ZelosNova 37
MSRP $899

At a glance

12 of 29 specs differ
Diameter
Khaki Aviation Pilot Pioneer Mechanical Chrono40mm
Nova 3737mm
Power Reserve
Khaki Aviation Pilot Pioneer Mechanical Chrono60h
Nova 3740h
Water Resistance
Khaki Aviation Pilot Pioneer Mechanical Chrono100m
Nova 3750m
MSRP
Khaki Aviation Pilot Pioneer Mechanical Chrono$2,445
Nova 37$899

Full specifications

Case

7 specs
Category
Pilot
Dress
Diameter
40mm
37mm
Thickness
14.35mm
7mm
Lug-to-Lug
50mm
37mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
50m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Blue
Salmon

Movement

2 specs
Caliber
H-51-Si
ETA 7001
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 Nova 37

Owners widely praise the Zelos Nova 37's spectacular 37mm dimensions and extremely light, thin wearability. The meteorite dial is frequently highlighted as a captivating feature, though some reviewers suggest simpler indices would improve legibility over the Arabic numerals. The watch is considered a considerable value at $1,999. On balance, owners and reviewers rate the Zelos Nova 37 highly for its excellent dimensions and dial execution at the price.

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