Side by side
Alexander James Watches A3 OmenvsHamilton Khaki Aviation Pilot Pioneer Mechanical Chrono
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
A3 Omen38mm
Khaki Aviation Pilot Pioneer Mechanical Chrono40mm
Power Reserve
A3 Omen40h
Khaki Aviation Pilot Pioneer Mechanical Chrono60h
Water Resistance
A3 Omen100m
Khaki Aviation Pilot Pioneer Mechanical Chrono100m
MSRP
A3 Omen$650
Khaki Aviation Pilot Pioneer Mechanical Chrono$2,445
Full specifications
Case
5 specsCategory
—
Pilot
Diameter
38mm
40mm
Thickness
10.4mm
14.35mm
Lug-to-Lug
46mm
50mm
Lug Width
20mm
22mm
Crystal & Dial
1 specsDial Color
—
Blue
Movement
3 specsCaliber
Miyota 9039
H-51-Si
Type
Automatic
Manual
Power Reserve
40h
60h
Pricing
1 specsMSRP
$650
$2,445
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
Follow this matchup
Get a note when Alexander James Watches A3 Omen vs Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono gets more votes, a community discussion, or a price drop. No account needed.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Duckworth Prestex Verimatic 39mmvsHamilton Khaki Aviation Pilot Pioneer Mechanical ChronoDuckworth Prestex California Limited EditionvsHamilton Khaki Aviation Pilot Pioneer Mechanical ChronoHamilton Khaki Aviation Pilot Pioneer Mechanical ChronovsMonro Adventure Watches Luna AdventureHamilton Khaki Aviation Pilot Pioneer Mechanical ChronovsMonro Adventure Watches LUNA ADVENTURE MLA-PNR POINT OF NO RETURN, 9039 Automatic Watch, 39mm EPDM RubberAlexander James Watches A3 OmenvsHemel HFC Mechanical ChronographAlexander James Watches A3 OmenvsBaltic Scalegraph Classic













