Side by side

Bremont Altitude ChronographvsMarathon GSAR (Government Search & Rescue) Diver's Automatic

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

Altitude Chronograph
BremontAltitude Chronograph
MSRP $6,300
GSAR (Government Search & Rescue) Diver's Automatic
MarathonGSAR (Government Search & Rescue) Diver's Automatic
MSRP $2,100

At a glance

10 of 29 specs differ
Diameter
Altitude Chronograph42mm
GSAR (Government Search & Rescue) Diver's Automatic41mm
Power Reserve
Altitude Chronograph40h
GSAR (Government Search & Rescue) Diver's Automatic40h
Water Resistance
Altitude Chronograph100m
GSAR (Government Search & Rescue) Diver's Automatic300m
MSRP
Altitude Chronograph$6,300
GSAR (Government Search & Rescue) Diver's Automatic$2,100

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
42mm
41mm
Thickness
14.7mm
14mm
Lug-to-Lug
48mm
Lug Width
14.7mm
20mm
Material
316L Stainless Steel (DLC coated)
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

1 specs
Dial Color
Silver
Anthracite

Movement

1 specs
Caliber
BE-50AE
Sellita SW200-1

Pricing

1 specs
MSRP
$6,300
$2,100

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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 GSAR (Government Search & Rescue) Diver's Automatic

The Marathon GSAR (Government Search & Rescue) Diver's Automatic is widely praised for its legibility, comfort, and exceptional tritium illumination, with reviewers highlighting its utilitarian, military-equipment feel and a 41mm case size considered ideal. Owners appreciate its grippy bezel and the 300 meters of water resistance provided by the screw-down crown, deeming it a solid value for a Swiss-made tool watch. Some owners report quality control issues, with one user needing to warranty two watches, and another notes the GSAR wears taller than other models, leading to occasional bumping. The reliable ETA 2824-A2 movement is a consistent feature. Overall, owners and reviewers rate the Marathon GSAR (Government Search & Rescue) Diver's Automatic highly for its bright tritium lume and robust, no-nonsense tool watch design.

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