Side by side

Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsHorage Omnium K2

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
Omnium K2
HorageOmnium K2
MSRP $5,140

At a glance

12 of 29 specs differ
Diameter
GSAR (Government Search & Rescue) Diver's Automatic41mm
Omnium K237.3mm
Power Reserve
GSAR (Government Search & Rescue) Diver's Automatic40h
Omnium K272h
Water Resistance
GSAR (Government Search & Rescue) Diver's Automatic300m
Omnium K2100m
MSRP
GSAR (Government Search & Rescue) Diver's Automatic$2,100
Omnium K2$5,140

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
41mm
37.3mm
Thickness
14mm
7.95mm
Lug-to-Lug
48mm
43.8mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

3 specs
AR Coating
Inner
No
Dial Color
Anthracite
Black
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
Sellita SW200-1
Horage K2
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$2,100
$5,140

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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.

Horage Omnium K2

The Horage Omnium K2 is lauded for its slim 7.95mm profile and chronometer-certified K2 micro-rotor movement with a 72-hour power reserve. Reviewers note its technical innovation, including a proprietary silicon escapement and modular K1 movement, and praise its value. However, some find the molded, luminous hour numerals too whimsical, and the explicit mention of "silicon escapement" on the dial is considered unnecessary. On balance, reviewers rate the Horage Omnium K2 highly for its technical innovation and slim profile at its price point.

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