Side by side

AVI-8 Bell X-1 Machbuster AutomaticvsOak & Oscar The Humboldt GMT SAR Edition

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
The Humboldt GMT SAR Edition
Oak & OscarThe Humboldt GMT SAR Edition
MSRP $2,950

At a glance

15 of 29 specs differ
Diameter
Bell X-1 Machbuster Automatic—
The Humboldt GMT SAR Edition39.5mm
Power Reserve
Bell X-1 Machbuster Automatic40h
The Humboldt GMT SAR Edition56 hoursh
Water Resistance
Bell X-1 Machbuster Automatic50m
The Humboldt GMT SAR Edition200m
MSRP
Bell X-1 Machbuster Automatic$350
The Humboldt GMT SAR Edition$2,950

Full specifications

Case

8 specs
Category
Pilot
GMT
Diameter
—
39.5mm
Thickness
13mm
12.5mm
Lug-to-Lug
51mm
46.8mm
Lug Width
—
20mm
Material
316L Stainless Steel
Grade 5 Titanium
Water Resistance
50m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

3 specs
Crystal Shape
Flat
Double-domed
AR Coating
Inner
Underside
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
—
Sellita SW330
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
56 hoursh

Pricing

1 specs
MSRP
$350
$2,950

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