Side by side
Hamilton Khaki Aviation Pilot Pioneer Mechanical ChronovsSheffield 1A
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Khaki Aviation Pilot Pioneer Mechanical Chrono40mm
1A40mm
Power Reserve
Khaki Aviation Pilot Pioneer Mechanical Chrono60h
1A—
Water Resistance
Khaki Aviation Pilot Pioneer Mechanical Chrono100m
1A200m
MSRP
Khaki Aviation Pilot Pioneer Mechanical Chrono$2,445
1A$223
Full specifications
Case
5 specsCategory
Pilot
Diver
Thickness
14.35mm
12.8mm
Lug-to-Lug
50mm
46mm
Lug Width
22mm
20mm
Water Resistance
100m
200m
Crystal & Dial
2 specsDial Color
Blue
White/Blue
Lume
None
Swiss blue lume
Movement
3 specsCaliber
H-51-Si
Seiko NH35A
Type
Manual
Automatic
Power Reserve
60h
—
Pricing
1 specsMSRP
$2,445
$223
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