Side by side
Helgray Bomber Quartz - Brigadier Gray (Prototype)vsHamilton American Classic Spirit of Liberty Auto
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
Bomber Quartz - Brigadier Gray (Prototype)40mm
American Classic Spirit of Liberty Auto42mm
Power Reserve
Bomber Quartz - Brigadier Gray (Prototype)40h
American Classic Spirit of Liberty Auto80h
Water Resistance
Bomber Quartz - Brigadier Gray (Prototype)100m
American Classic Spirit of Liberty Auto50m
MSRP
Bomber Quartz - Brigadier Gray (Prototype)$249
American Classic Spirit of Liberty Auto$1,195
Full specifications
Case
5 specsCategory
Pilot
Dress
Diameter
40mm
42mm
Thickness
12mm
11.4mm
Lug Width
20mm
22mm
Water Resistance
100m
50m
Crystal & Dial
1 specsDial Color
Black
Blue
Movement
2 specsCaliber
—
H-10
Power Reserve
40h
80h
Pricing
1 specsMSRP
$249
$1,195
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