Side by side

Bremont S300vsMarathon GSAR (Government Search & Rescue) Diver's Automatic

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

S300
BremontS300
MSRP $3,795
GSAR (Government Search & Rescue) Diver's Automatic
MarathonGSAR (Government Search & Rescue) Diver's Automatic
MSRP $2,100

At a glance

8 of 29 specs differ
Diameter
S30040mm
GSAR (Government Search & Rescue) Diver's Automatic41mm
Power Reserve
S30040h
GSAR (Government Search & Rescue) Diver's Automatic40h
Water Resistance
S300300m
GSAR (Government Search & Rescue) Diver's Automatic300m
MSRP
S300$3,795
GSAR (Government Search & Rescue) Diver's Automatic$2,100

Full specifications

Case

5 specs
Diameter
40mm
41mm
Thickness
14mm
Lug-to-Lug
48mm
Lug Width
20mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
Orange
Anthracite

Movement

1 specs
Caliber
BE-92AE
Sellita SW200-1

Pricing

1 specs
MSRP
$3,795
$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 S300

Owners widely praise the Bremont S300 for its comfortable 40mm size, fitting well under a cuff, and its appealing dial and bezel color. The winding action is described as smooth, and timekeeping averages +3 seconds per day, with machining noted as being on par with higher-end brands. One owner suggests tapering the bracelet and adding a mixed brushing and polishing finish for improved dress-shirt wearability. However, some find its styling lacks uniqueness compared to competitors, and the approximately 49mm lug-to-lug measurement is considered unusually long and potentially ill-fitting on smaller wrists. Overall, owners rate the Bremont S300 highly for its wearability and finishing at its price point.

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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