Side by side

Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsFears Onyx (collective Horology)

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
Onyx (collective Horology)
FearsOnyx (collective Horology)
MSRP $2,833

At a glance

9 of 29 specs differ
Diameter
GSAR (Government Search & Rescue) Diver's Automatic41mm
Onyx (collective Horology)39.5mm
Power Reserve
GSAR (Government Search & Rescue) Diver's Automatic40h
Onyx (collective Horology)40h
Water Resistance
GSAR (Government Search & Rescue) Diver's Automatic300m
Onyx (collective Horology)15m
MSRP
GSAR (Government Search & Rescue) Diver's Automatic$2,100
Onyx (collective Horology)$2,833

Full specifications

Case

5 specs
Category
Diver
Sport
Diameter
41mm
39.5mm
Thickness
14mm
20mm
Lug-to-Lug
48mm
46.95mm
Water Resistance
300m
15m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Anthracite
Onyx (Collective Horology)

Movement

1 specs
Caliber
Sellita SW200-1
La Joux-Perret G101

Pricing

1 specs
MSRP
$2,100
$2,833

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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.

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.

Fears Onyx (collective Horology)

Owners widely praise the Fears Onyx (collective Horology) for its exquisite glossy black onyx dial, which displays microscopic striations under magnification. Reviewers note its thin case, under 10.5mm, and a balanced sporty-dressy aesthetic. Water resistance is rated at 150m by one source and 100m by another, and the bracelet features on-the-fly micro-adjustment. Some owners find the 39.5mm diameter slightly large for the style, and one source suggests it doesn't represent top value, though it remains competitive. Overall, owners rate the Fears Onyx highly for its unique stone dial and wearability.

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