Side by side

Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsDOXA SUB 300 Carbon

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

GSAR (Government Search & Rescue) Diver's Automatic
MarathonGSAR (Government Search & Rescue) Diver's Automatic
MSRP $2,100
SUB 300 Carbon
DOXASUB 300 Carbon
MSRP $4,390

At a glance

11 of 29 specs differ
Diameter
GSAR (Government Search & Rescue) Diver's Automatic41mm
SUB 300 Carbon42.5mm
Power Reserve
GSAR (Government Search & Rescue) Diver's Automatic40h
SUB 300 Carbon38h
Water Resistance
GSAR (Government Search & Rescue) Diver's Automatic300m
SUB 300 Carbon300m
MSRP
GSAR (Government Search & Rescue) Diver's Automatic$2,100
SUB 300 Carbon$4,390

Full specifications

Case

4 specs
Diameter
41mm
42.5mm
Thickness
14mm
12mm
Lug-to-Lug
48mm
46mm
Material
316L Stainless Steel
Carbon

Crystal & Dial

4 specs
Crystal Shape
Flat
Domed
AR Coating
Inner
Yes
Dial Color
Anthracite
Aquamarine
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
Sellita SW200-1
COSC Chronometer
Power Reserve
40h
38h

Pricing

1 specs
MSRP
$2,100
$4,390

Follow this matchup

Get a note when Marathon GSAR (Government Search & Rescue) Diver's Automatic vs DOXA SUB 300 Carbon 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.

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.

DOXA SUB 300 Carbon

The DOXA SUB 300 Carbon is widely praised for its exceptionally lightweight and comfortable forged carbon case, making it an ideal vacation or everyday watch. Owners and reviewers highlight the vibrant dial colors, the satisfyingly clicky bezel action, and the comfortable, adjustable rubber strap with a clever clasp. Its COSC-certified ETA 2824-2 movement is noted for reliable timekeeping, with one owner reporting +0.9 seconds per day and another an average of +5 seconds per day, though a 38-hour power reserve is a trade-off for its slimness. Some reviewers point out that the no-decompression bezel markings may not align with current diving science and that the luminous markers are less bright than some alternatives. The integrated rubber strap requires cutting to size, and the clasp has sharp edges. On balance, owners and reviewers rate the DOXA SUB 300 Carbon highly for its unique, lightweight carbon construction and comfortable wearability.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.