Side by side
Hamilton Khaki Aviation Converter Auto ChronovsZero West S4 Blackout P9427 Spitfire
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
6 of 29 specs differDiameter
Khaki Aviation Converter Auto Chrono44mm
S4 Blackout P9427 Spitfire44mm
Power Reserve
Khaki Aviation Converter Auto Chrono60h
S4 Blackout P9427 Spitfire38h
Water Resistance
Khaki Aviation Converter Auto Chrono100m
S4 Blackout P9427 Spitfire100m
MSRP
Khaki Aviation Converter Auto Chrono$2,445
S4 Blackout P9427 Spitfire—
Full specifications
Case
3 specsCategory
Pilot
—
Thickness
14.6mm
14.1mm
Lug-to-Lug
46mm
49.6mm
Movement
2 specsCaliber
H-21-Si
ETA 2824
Power Reserve
60h
38h
Pricing
1 specsMSRP
$2,445
—
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