Side by side

AVI-8 Bell X-1 Machbuster AutomaticvsBremont Altitude Perpetual Calendar 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
Altitude Perpetual Calendar GMT
BremontAltitude Perpetual Calendar GMT
MSRP $38,450

At a glance

9 of 29 specs differ
Diameter
Bell X-1 Machbuster Automatic—
Altitude Perpetual Calendar GMT42mm
Power Reserve
Bell X-1 Machbuster Automatic40h
Altitude Perpetual Calendar GMT40h
Water Resistance
Bell X-1 Machbuster Automatic50m
Altitude Perpetual Calendar GMT—
MSRP
Bell X-1 Machbuster Automatic$350
Altitude Perpetual Calendar GMT$38,450

Full specifications

Case

7 specs
Category
Pilot
GMT
Diameter
—
42mm
Thickness
13mm
12.65mm
Lug-to-Lug
51mm
—
Lug Width
—
22mm
Material
316L Stainless Steel
Titanium
Water Resistance
50m
—

Crystal & Dial

1 specs
Dial Color
Black
Blue

Pricing

1 specs
MSRP
$350
$38,450

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