Side by side
AVI-8 Bell X-1 Machbuster ChronographvsSeiko Prospex SPEEDTIMER
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Bell X-1 Machbuster Chronograph—
Prospex SPEEDTIMER42mm
Power Reserve
Bell X-1 Machbuster Chronograph40h
Prospex SPEEDTIMER40h
Water Resistance
Bell X-1 Machbuster Chronograph50m
Prospex SPEEDTIMER100m
MSRP
Bell X-1 Machbuster Chronograph$300
Prospex SPEEDTIMER$2,200
Full specifications
Case
6 specsDiameter
—
42mm
Thickness
—
12.9mm
Lug-to-Lug
—
49.6mm
Lug Width
—
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
100m
Crystal & Dial
5 specsCrystal
Mineral
Sapphire
Crystal Shape
Flat
Curved
AR Coating
Inner
Super-clear coating
Dial Color
Blue
Black
Lume
None
LumiBrite on hands and index(es)
Movement
2 specsCaliber
—
5X83
Jewels
25
14
Pricing
1 specsMSRP
$300
$2,200
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