Which is cheaper, the AVI-8 Bell X-1 Machbuster Automatic or the Borealis Watch Co. Estoril 300 GMT?

At MSRP the AVI-8 Bell X-1 Machbuster Automatic is the cheaper of the two at $350, against $600 for the Borealis Watch Co. Estoril 300 GMT — a $250 gap before any retailer discounting.

Which has better water resistance, the AVI-8 Bell X-1 Machbuster Automatic or the Borealis Watch Co. Estoril 300 GMT?

The Borealis Watch Co. Estoril 300 GMT is rated to 300m versus 50m for the AVI-8 Bell X-1 Machbuster Automatic.

Side by side

AVI-8 Bell X-1 Machbuster AutomaticvsBorealis Watch Co. Estoril 300 GMT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

AVI-8 Bell X-1 Machbuster Automatic

bell-x-1-machbuster-automatic-graphite-black-av-4115-01

MSRP $350

Borealis Watch Co.Estoril 300 GMT

borealis-estoril-300-gmt-black-dial-arabic-numbers-black-red-bezel-date-version-k

MSRP $600

At a glance

10 of 29 specs differ

Diameter

Bell X-1 Machbuster Automatic—

Estoril 300 GMT41.50mm

Power Reserve

Bell X-1 Machbuster Automatic40h

Estoril 300 GMT40h

Water Resistance

Bell X-1 Machbuster Automatic50m

Estoril 300 GMT300m

MSRP

Bell X-1 Machbuster Automatic$350

Estoril 300 GMT$600

Full specifications

Case

7 specs

Crystal & Dial

1 specs

Lume

None

BGW9

Movement

1 specs

Caliber

—

Miyota 9075

Pricing

1 specs

MSRP

$350

$600

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