Which is cheaper, the AVI-8 Bell X-1 Machbuster Automatic or the Bremont Altitude 39 Date?

At MSRP the AVI-8 Bell X-1 Machbuster Automatic is the cheaper of the two at $350, against $4,250 for the Bremont Altitude 39 Date — a $3,900 gap before any retailer discounting.

Which has better water resistance, the AVI-8 Bell X-1 Machbuster Automatic or the Bremont Altitude 39 Date?

The Bremont Altitude 39 Date is rated to 100m versus 50m for the AVI-8 Bell X-1 Machbuster Automatic.

Side by side

AVI-8 Bell X-1 Machbuster AutomaticvsBremont Altitude 39 Date

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

Bremont Altitude 39 Date

alt39-dt-ss-si-l-s

MSRP $4,250

At a glance

9 of 29 specs differ

Diameter

Bell X-1 Machbuster Automatic—

Altitude 39 Date39mm

Power Reserve

Bell X-1 Machbuster Automatic40h

Altitude 39 Date40h

Water Resistance

Bell X-1 Machbuster Automatic50m

Altitude 39 Date100m

MSRP

Bell X-1 Machbuster Automatic$350

Altitude 39 Date$4,250

Full specifications

Case

6 specs

Diameter

—

39mm

Thickness

13mm

11.19mm

Lug-to-Lug

51mm

—

Lug Width

—

20mm

Material

316L Stainless Steel

316L Stainless Steel (DLC coated)

Water Resistance

50m

100m

Crystal & Dial

1 specs

Dial Color

Black

Silver

Movement

1 specs

Caliber

—

BE-92AE

Pricing

1 specs

MSRP

$350

$4,250

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