Side by side

Bremont Altitude ChronographvsMarathon Steel Navigator SSNAV Auto

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

Altitude Chronograph
BremontAltitude Chronograph
MSRP $6,300
Steel Navigator SSNAV Auto
MarathonSteel Navigator SSNAV Auto
MSRP $1,300

At a glance

10 of 29 specs differ
Diameter
Altitude Chronograph42mm
Steel Navigator SSNAV Auto41mm
Power Reserve
Altitude Chronograph40h
Steel Navigator SSNAV Auto40h
Water Resistance
Altitude Chronograph100m
Steel Navigator SSNAV Auto60m
MSRP
Altitude Chronograph$6,300
Steel Navigator SSNAV Auto$1,300

Full specifications

Case

7 specs
Category
Chronograph
Pilot
Diameter
42mm
41mm
Thickness
14.7mm
11.5mm
Lug-to-Lug
48mm
Lug Width
14.7mm
20mm
Material
316L Stainless Steel (DLC coated)
316L Stainless Steel
Water Resistance
100m
60m

Crystal & Dial

1 specs
Dial Color
Silver
Black

Movement

1 specs
Caliber
BE-50AE
Sellita SW200-1

Pricing

1 specs
MSRP
$6,300
$1,300

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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.

Marathon Steel Navigator SSNAV Auto

The Marathon Steel Navigator SSNAV Auto is praised for its high-accuracy quartz movement, with owners noting its comfort and reliable performance. Reviewers highlight its functional tool-watch appeal, featuring a sandblasted steel case, tritium tubes for constant low-light visibility, and 100-meter water resistance. One owner finds the 41mm case runs a bit small. The Marathon Steel Navigator SSNAV Auto utilizes an ETA F06.412 quartz movement with a claimed accuracy of +/- 10 seconds per year and includes a GMT bidirectional bezel. Overall, owners and reviewers rate the Marathon Steel Navigator SSNAV Auto highly for its comfortable wear and dependable, high-accuracy quartz movement.

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