Side by side

AVI-8 Bell X-1 Machbuster AutomaticvsSeestern S424 Full Lume Pilot

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
S424 Full Lume Pilot
SeesternS424 Full Lume Pilot
MSRP $299

At a glance

11 of 29 specs differ
Diameter
Bell X-1 Machbuster Automatic—
S424 Full Lume Pilot38mm
Power Reserve
Bell X-1 Machbuster Automatic40h
S424 Full Lume Pilot41h
Water Resistance
Bell X-1 Machbuster Automatic50m
S424 Full Lume Pilot50m
MSRP
Bell X-1 Machbuster Automatic$350
S424 Full Lume Pilot$299

Full specifications

Case

4 specs
Diameter
—
38mm
Thickness
13mm
11mm
Lug-to-Lug
51mm
46mm
Lug Width
—
19mm

Crystal & Dial

1 specs
Lume
None
Full lume

Movement

5 specs
Caliber
—
Seiko NH35A
Beat Rate
28,800 vph
21,600 vph
Power Reserve
40h
41h
Jewels
25
24
Complications
None
GMT

Pricing

1 specs
MSRP
$350
$299

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