Which is bigger, the Bremont Altitude Chronograph or the Redux Zero-Hour?

The Bremont Altitude Chronograph wears larger at 42mm versus 39mm for the Redux Zero-Hour — a 3mm difference across the dial.

Which has better water resistance, the Bremont Altitude Chronograph or the Redux Zero-Hour?

The Redux Zero-Hour is rated to 200m versus 100m for the Bremont Altitude Chronograph.

Which has a longer power reserve, the Bremont Altitude Chronograph or the Redux Zero-Hour?

The Redux Zero-Hour carries a 41-hour power reserve against 40 hours on the Bremont Altitude Chronograph.

What movement does the Bremont Altitude Chronograph run compared to the Redux Zero-Hour?

Both watches run automatic movements — the Bremont Altitude Chronograph uses the BE-50AE and the Redux Zero-Hour uses the Seiko NH35.

Side by side

Bremont Altitude ChronographvsRedux Zero-Hour

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

Bremont Altitude Chronograph

alt42-chr-g-ss-si-l-s

MSRP $6,300

Redux Zero-Hour

the-courg-watch-zero-hour-39mm

At a glance

11 of 29 specs differ

Diameter

Altitude Chronograph42mm

Zero-Hour39mm

Power Reserve

Altitude Chronograph40h

Zero-Hour41h

Water Resistance

Altitude Chronograph100m

Zero-Hour200m

MSRP

Altitude Chronograph$6,300

Zero-Hour—

Full specifications

Case

7 specs

Crystal & Dial

1 specs

Dial Color

Silver

Black

Movement

2 specs

Caliber

BE-50AE

Seiko NH35

Power Reserve

40h

41h

Pricing

1 specs

MSRP

$6,300

—

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Bremont Altitude Chronograph

Owners note faint marks on the case sides and back, with minor wear and creasing on the strap. Reviewers flag the "DANGER EJECTION SEAT" wordmark on the dial as a divisive design choice that disrupts the MB series' usual stark tone, though they praise the improved smoothness and click precision of the Roto Click rotating bezel. On balance, the Bremont Altitude Chronograph elicits mixed reactions, with design elements like the dial text being a point of contention for reviewers.

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Redux Zero-Hour

Owners widely praise the Redux Courg Type 39MM for its robust, no-nonsense design and good overall quality, with a reliable Seiko NH53A movement keeping time well. The titanium case and crystal have shown scratch resistance, and the bezel action is described as tight by some. Reviewers note the proprietary RDXB1 or blue lume glows brilliantly, though briefly. Some owners flag the crown stem as flimsy and the unidirectional bezel as having some play. Overall, owners rate the Redux Courg Type 39MM highly for its functional tool-watch design and durable titanium construction.

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