Side by side

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

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
Essentials Quartz
SeikoEssentials Quartz
MSRP $265

At a glance

11 of 29 specs differ
Diameter
GSAR (Government Search & Rescue) Diver's Automatic41mm
Essentials Quartz40.2mm
Power Reserve
GSAR (Government Search & Rescue) Diver's Automatic40h
Essentials Quartz40h
Water Resistance
GSAR (Government Search & Rescue) Diver's Automatic300m
Essentials Quartz100m
MSRP
GSAR (Government Search & Rescue) Diver's Automatic$2,100
Essentials Quartz$265

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
41mm
40.2mm
Thickness
14mm
8.3mm
Lug-to-Lug
48mm
47mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Anthracite
Black
Lume
None
LumiBrite on Hands

Movement

2 specs
Caliber
Sellita SW200-1
6N52
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$2,100
$265

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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 Essentials Quartz

Seiko Essentials Quartz owners praise its high quality and value, highlighting its thin 8.4mm case, sapphire crystal, 100m water resistance, and quartz convenience, with the titanium variant weighing just 50g for exceptional comfort. The polished surfaces can develop fine swirls from daily wear, and the gold plating may wear off edges over time, requiring maintenance. The titanium bracelet's smaller center link creates wider gaps than the steel version, and some owners prefer to remove the 50m-rated watch for showering, especially if it lacks a screw-down crown. On balance, owners rate the Seiko Essentials Quartz highly for its comfortable, lightweight titanium build and convenient quartz accuracy at the price.

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