Side by side
Hamilton Khaki Aviation Pilot Pioneer Mechanical ChronovsHitori Somei Yoshino
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Khaki Aviation Pilot Pioneer Mechanical Chrono40mm
Somei Yoshino39.6mm
Power Reserve
Khaki Aviation Pilot Pioneer Mechanical Chrono60h
Somei Yoshino41h
Water Resistance
Khaki Aviation Pilot Pioneer Mechanical Chrono100m
Somei Yoshino100m
MSRP
Khaki Aviation Pilot Pioneer Mechanical Chrono$2,445
Somei Yoshino$569
Full specifications
Case
5 specsCategory
Pilot
—
Diameter
40mm
39.6mm
Thickness
14.35mm
10.55mm
Lug-to-Lug
50mm
46.8mm
Lug Width
22mm
—
Crystal & Dial
1 specsDial Color
Blue
White
Movement
3 specsCaliber
H-51-Si
Seiko NH35
Type
Manual
Automatic
Power Reserve
60h
41h
Pricing
1 specsMSRP
$2,445
$569
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