Side by side

Bremont Supermarine ChronovsMarathon GSAR (Government Search & Rescue) Diver's Automatic

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

Supermarine Chrono
BremontSupermarine Chrono
MSRP $6,850
GSAR (Government Search & Rescue) Diver's Automatic
MarathonGSAR (Government Search & Rescue) Diver's Automatic
MSRP $2,100

At a glance

9 of 29 specs differ
Diameter
Supermarine Chrono43mm
GSAR (Government Search & Rescue) Diver's Automatic41mm
Power Reserve
Supermarine Chrono40h
GSAR (Government Search & Rescue) Diver's Automatic40h
Water Resistance
Supermarine Chrono300m
GSAR (Government Search & Rescue) Diver's Automatic300m
MSRP
Supermarine Chrono$6,850
GSAR (Government Search & Rescue) Diver's Automatic$2,100

Full specifications

Case

6 specs
Category
Chronograph
Diver
Diameter
43mm
41mm
Thickness
15.87mm
14mm
Lug-to-Lug
48mm
Lug Width
22mm
20mm
Material
Stainless Steel (DLC coated)
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
Black
Anthracite

Movement

1 specs
Caliber
BE-50AE
Sellita SW200-1

Pricing

1 specs
MSRP
$6,850
$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 Supermarine Chrono

The Bremont Supermarine Chrono's black dial and understated bezel markings allow it to transition effectively from rugged use to evening events. On balance, owners and reviewers find the Bremont Supermarine Chrono to be a handsome and functional watch, with its versatile dial design being a key strength.

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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