Side by side
Hamilton Khaki Aviation Pilot Pioneer Mechanical ChronovsSheffield 1A 40mm
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
1A 40mm40mm
Power Reserve
Khaki Aviation Pilot Pioneer Mechanical Chrono60h
1A 40mm40h
Water Resistance
Khaki Aviation Pilot Pioneer Mechanical Chrono100m
1A 40mm200m
MSRP
Khaki Aviation Pilot Pioneer Mechanical Chrono$2,445
1A 40mm$228
Full specifications
Case
5 specsCategory
Pilot
—
Thickness
14.35mm
13mm
Lug-to-Lug
50mm
48mm
Lug Width
22mm
20mm
Water Resistance
100m
200m
Crystal & Dial
1 specsDial Color
Blue
—
Movement
3 specsCaliber
H-51-Si
Seiko NH35
Type
Manual
Automatic
Power Reserve
60h
40h
Pricing
1 specsMSRP
$2,445
$228
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