Side by side

Hamilton Khaki Aviation Khaki Pilot Pioneer Auto ChronovsZelos Nova 37

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

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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 Khaki Pilot Pioneer Auto Chrono

Owners widely praise the Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono for its excellent dial legibility and unique, vintage-inspired design, with some noting its thinness and 72-hour power reserve. Reviewers highlight its charismatic, function-forward military aesthetic and attractive dial execution. The watch is considered a wise starting point for a chronograph under $2,000, with observed accuracy around +/- 4 seconds per day and a 60-hour power reserve. Some owners find the non-screw-down crown limits water confidence, and one reviewer notes the mineral crystal scratches more easily than sapphire. The price is considered a bit punchy by one source. On balance, owners and reviewers rate the Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono highly for its handsome, utilitarian design and value.

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.

From video reviewers

The wafer-thin case and intricate dial textures are standout features. The quality of the stock leather strap is a shared concern. Reviewers differed on whether the 37mm or 38mm case size was more accurate.

At a glance

13 of 29 specs differ
Diameter
Khaki Aviation Khaki Pilot Pioneer Auto Chrono41mm
Nova 3737mm
Power Reserve
Khaki Aviation Khaki Pilot Pioneer Auto Chrono60h
Nova 37
Water Resistance
Khaki Aviation Khaki Pilot Pioneer Auto Chrono100m
Nova 3750m
MSRP
Khaki Aviation Khaki Pilot Pioneer Auto Chrono$1,995
Nova 37$899

Full specifications

Case

7 specs
Category
Chronograph
Dress
Diameter
41mm
37mm
Thickness
16mm
7mm
Lug-to-Lug
0mm
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
Beige
Salmon

Movement

3 specs
Caliber
Hamilton H-31
ETA/Peseux 7001
Type
Automatic
Manual
Power Reserve
60h
0h

Pricing

1 specs
MSRP
$1,995
$899
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