Side by side

Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsSeiko 5 Sports Field series

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
5 Sports Field series
Seiko5 Sports Field series
MSRP $315

At a glance

14 of 29 specs differ
Diameter
GSAR (Government Search & Rescue) Diver's Automatic41mm
5 Sports Field series39.4mm
Power Reserve
GSAR (Government Search & Rescue) Diver's Automatic40h
5 Sports Field series41h
Water Resistance
GSAR (Government Search & Rescue) Diver's Automatic300m
5 Sports Field series100m
MSRP
GSAR (Government Search & Rescue) Diver's Automatic$2,100
5 Sports Field series$315

Full specifications

Case

6 specs
Category
Diver
Sport
Diameter
41mm
39.4mm
Thickness
14mm
13.2mm
Lug-to-Lug
48mm
48.1mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

4 specs
Crystal
Sapphire
Hardlex
Crystal Shape
Flat
Curved
Dial Color
Anthracite
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Sellita SW200-1
4R36
Power Reserve
40h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$2,100
$315

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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 5 Sports Field series

The Seiko 5 Sports Field series is praised for its value, offering an accessible explorer-style watch with a GMT complication and excellent legibility thanks to LumiBrite on the dial and bezel. The watches feature a 41mm stainless steel case, 100m water resistance, and are powered by either the 4R36 or 4R34 movement, both with a 41-hour power reserve. One reviewer notes the inclusion of a compass bezel with a lumed pearl and fully lumed Arabic numerals on the dial for the non-GMT models. Overall, reviewers consider the Seiko 5 Sports Field GMT models good value under 500 euros.

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