Side by side

AVI-8 Bell X-1 Machbuster AutomaticvsSeiko Prospex Sea Save the Ocean Special 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
Prospex Sea Save the Ocean Special Edition
SeikoProspex Sea Save the Ocean Special Edition
MSRP $625

At a glance

13 of 29 specs differ
Diameter
Bell X-1 Machbuster Automatic—
Prospex Sea Save the Ocean Special Edition45mm
Power Reserve
Bell X-1 Machbuster Automatic40h
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
Bell X-1 Machbuster Automatic50m
Prospex Sea Save the Ocean Special Edition200m
MSRP
Bell X-1 Machbuster Automatic$350
Prospex Sea Save the Ocean Special Edition$625

Full specifications

Case

7 specs
Category
Pilot
Diver
Diameter
—
45mm
Thickness
13mm
13.2mm
Lug-to-Lug
51mm
47.7mm
Lug Width
—
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
—
4R36
Power Reserve
40h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$350
$625

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