Side by side

Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsSeiko Coutura

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
Coutura
SeikoCoutura
MSRP $625

At a glance

13 of 29 specs differ
Diameter
GSAR (Government Search & Rescue) Diver's Automatic41mm
Coutura45.3mm
Power Reserve
GSAR (Government Search & Rescue) Diver's Automatic40h
Coutura40h
Water Resistance
GSAR (Government Search & Rescue) Diver's Automatic300m
Coutura100m
MSRP
GSAR (Government Search & Rescue) Diver's Automatic$2,100
Coutura$625

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
41mm
45.3mm
Thickness
14mm
11.5mm
Lug-to-Lug
48mm
46mm
Lug Width
20mm
12mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Anthracite
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Sellita SW200-1
8B92
Type
Automatic
Quartz
Jewels
25
10

Pricing

1 specs
MSRP
$2,100
$625

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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.

Seiko Coutura

Owners widely report the Seiko Coutura's metal treatments are very wear-resistant, with one owner noting minimal scratching after six years. Reviewers and owners appreciate its solar-powered movement, perpetual calendar, and radio sync features, with some finding its unique, futuristic styling captivating and a great value, while others describe the dial as too busy or gaudy. Some owners find the watch large and complicated to set initially, and one owner experienced issues with the solar power reserve requiring constant light exposure. On balance, owners and reviewers rate the Seiko Coutura well for its durable construction and practical solar and perpetual calendar features, despite polarizing design opinions.

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