Side by side

Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsZelos Comet 39

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
Comet 39
ZelosComet 39
MSRP $2,499

At a glance

10 of 29 specs differ
Diameter
GSAR (Government Search & Rescue) Diver's Automatic41mm
Comet 3939mm
Power Reserve
GSAR (Government Search & Rescue) Diver's Automatic40h
Comet 3940h
Water Resistance
GSAR (Government Search & Rescue) Diver's Automatic300m
Comet 3950m
MSRP
GSAR (Government Search & Rescue) Diver's Automatic$2,100
Comet 39$2,499

Full specifications

Case

5 specs
Category
Diver
Dress
Diameter
41mm
39mm
Thickness
14mm
7.6mm
Lug-to-Lug
48mm
39mm
Water Resistance
300m
50m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Anthracite
Tantalum LE

Movement

2 specs
Caliber
Sellita SW200-1
ETA/Peseux 7001
Type
Automatic
Manual

Pricing

1 specs
MSRP
$2,100
$2,499

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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.

Zelos Comet 39

Owners widely praise the Zelos Comet 39 for its wearable 39mm size, thin profile under 10mm thanks to its manual-wind Sellita SW215 movement, and its captivating dial with a deep starburst effect. The winding action is described as a joy, and the watch is considered a stunner for its price, blending modern and vintage aesthetics. Some owners note frustration with Zelos's limited production runs leading to quick sell-outs. One owner found the logo childlike, while another experienced strap-rubbing issues with the short lugs, which were resolved with a Milanese bracelet. Overall, owners and reviewers rate the Zelos Comet 39 highly for its excellent value and striking dial design.

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