Side by side
AVI-8 Bell X-1 Machbuster AutomaticvsHelgray Speedster (Racing Light Blue)
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
Bell X-1 Machbuster Automatic—
Speedster (Racing Light Blue)39mm
Power Reserve
Bell X-1 Machbuster Automatic40h
Speedster (Racing Light Blue)40h
Water Resistance
Bell X-1 Machbuster Automatic50m
Speedster (Racing Light Blue)30m
MSRP
Bell X-1 Machbuster Automatic$350
Speedster (Racing Light Blue)$299
Full specifications
Case
7 specsCategory
Pilot
Chronograph
Diameter
—
39mm
Thickness
13mm
12mm
Lug-to-Lug
51mm
46mm
Lug Width
—
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
30m
Movement
1 specsCaliber
—
Miyota 6S21
Pricing
1 specsMSRP
$350
$299
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