Side by side
Helgray Bomber Quartz - Brigadier Gray (Prototype)vsBorealis Watch Co. Estoril 300 GMT
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
Estoril 300 GMT41.50mm
Power Reserve
Bomber Quartz - Brigadier Gray (Prototype)40h
Estoril 300 GMT40h
Water Resistance
Bomber Quartz - Brigadier Gray (Prototype)100m
Estoril 300 GMT300m
MSRP
Bomber Quartz - Brigadier Gray (Prototype)$249
Estoril 300 GMT$600
Full specifications
Case
6 specsCategory
Pilot
Diver
Diameter
40mm
41.50mm
Thickness
12mm
13.5mm
Lug-to-Lug
46mm
47mm
Lug Width
20mm
20mm
Water Resistance
100m
300m
Crystal & Dial
1 specsLume
None
BGW9
Movement
1 specsCaliber
—
Miyota 9075
Pricing
1 specsMSRP
$249
$600
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