Side by side

AVI-8 Bell X-1 Machbuster AutomaticvsSpinnaker Bradner GMT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Bell X-1 Machbuster Automatic
AVI-8Bell X-1 Machbuster Automatic
MSRP $350
Bradner GMT
SpinnakerBradner GMT
MSRP $299

At a glance

9 of 29 specs differ
Diameter
Bell X-1 Machbuster Automatic—
Bradner GMT42mm
Power Reserve
Bell X-1 Machbuster Automatic40h
Bradner GMT40h
Water Resistance
Bell X-1 Machbuster Automatic50m
Bradner GMT180m
MSRP
Bell X-1 Machbuster Automatic$350
Bradner GMT$299

Full specifications

Case

6 specs
Category
Pilot
GMT
Diameter
—
42mm
Thickness
13mm
15mm
Lug-to-Lug
51mm
50mm
Lug Width
—
22mm
Water Resistance
50m
180m

Crystal & Dial

1 specs
Dial Color
Black
Brown

Movement

1 specs
Caliber
—
Seiko NH34A

Pricing

1 specs
MSRP
$350
$299

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