Side by side

Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsSpinnaker Challenger Automatic

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
Challenger Automatic
SpinnakerChallenger Automatic
MSRP $289

At a glance

8 of 29 specs differ
Diameter
GSAR (Government Search & Rescue) Diver's Automatic41mm
Challenger Automatic42mm
Power Reserve
GSAR (Government Search & Rescue) Diver's Automatic40h
Challenger Automatic40h
Water Resistance
GSAR (Government Search & Rescue) Diver's Automatic300m
Challenger Automatic200m
MSRP
GSAR (Government Search & Rescue) Diver's Automatic$2,100
Challenger Automatic$289

Full specifications

Case

5 specs
Diameter
41mm
42mm
Thickness
14mm
19mm
Lug-to-Lug
48mm
49.5mm
Lug Width
20mm
22mm
Water Resistance
300m
200m

Crystal & Dial

1 specs
Dial Color
Anthracite
Blue

Movement

1 specs
Caliber
Sellita SW200-1
SII NH35A

Pricing

1 specs
MSRP
$2,100
$289

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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.

Spinnaker Challenger Automatic

The Spinnaker Challenger Automatic is widely praised for its fun, playful design, solid build quality, and satisfying bezel action. Owners appreciate the comfortable 42mm DLC-coated case and the thoughtful integration of the Popeye theme, with the character serving as the hour and minute hands. Reviewers note the reliable Seiko NH35 movement and 300m water resistance. Some owners find the blue lume weaker than expected, and the ultra-domed sapphire crystal presents challenges for photography. The thick rubber strap is also cited as difficult to manage. Overall, owners and reviewers rate the Spinnaker Challenger Automatic highly for its unique character integration and solid dive watch fundamentals at its price point.

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