Which is cheaper, the Bremont Altitude Chronograph or the Fortis Marinemaster M-40?

At MSRP the Fortis Marinemaster M-40 is the cheaper of the two at $3,520, against $6,300 for the Bremont Altitude Chronograph — a $2,780 gap before any retailer discounting.

Which is bigger, the Bremont Altitude Chronograph or the Fortis Marinemaster M-40?

The Bremont Altitude Chronograph wears larger at 42mm versus 40mm for the Fortis Marinemaster M-40 — a 2mm difference across the dial.

Which has better water resistance, the Bremont Altitude Chronograph or the Fortis Marinemaster M-40?

The Fortis Marinemaster M-40 is rated to 300m versus 100m for the Bremont Altitude Chronograph.

Which has a longer power reserve, the Bremont Altitude Chronograph or the Fortis Marinemaster M-40?

The Bremont Altitude Chronograph carries a 40-hour power reserve against 38 hours on the Fortis Marinemaster M-40.

What movement does the Bremont Altitude Chronograph run compared to the Fortis Marinemaster M-40?

Both watches run automatic movements — the Bremont Altitude Chronograph uses the BE-50AE and the Fortis Marinemaster M-40 uses the Sellita SW220-1.

Side by side

Bremont Altitude ChronographvsFortis Marinemaster M-40

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

Fortis Marinemaster M-40

M-40

MSRP $3,520

At a glance

11 of 29 specs differ

Diameter

Altitude Chronograph42mm

Marinemaster M-4040mm

Power Reserve

Altitude Chronograph40h

Marinemaster M-4038h

Water Resistance

Altitude Chronograph100m

Marinemaster M-40300m

MSRP

Altitude Chronograph$6,300

Marinemaster M-40$3,520

Full specifications

Case

6 specs

Crystal & Dial

1 specs

Dial Color

Silver

Orange

Movement

3 specs

Caliber

BE-50AE

Sellita SW220-1

Power Reserve

40h

38h

Jewels

Pricing

1 specs

MSRP

$6,300

$3,520

Follow this matchup

Get a note when Bremont Altitude Chronograph vs Fortis Marinemaster M-40 gets more votes, a community discussion, or a price drop. No account needed.

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.

A Blog to Watch

WatchUSeek

Fortis Marinemaster M-40

Owners praise the Fortis Amber Orange for its gorgeous appearance and strong wrist presence, noting its crazy lume and 70-hour power reserve. The Doxa SUB 300T, described as having a superb, eccentric design with a highly legible dial and functional no-decompression bezel, uses an ETA 2824-2 movement. However, the SUB 300T's 42.5mm case wears large and its 14mm thickness is not ideal for dress shirts, though it boasts 1,200m water resistance. On balance, owners appreciate the Fortis Amber Orange for its striking aesthetics and impressive lume.

WatchUSeek·2

Keep exploring