Side by side

Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsGrand Seiko STGF359

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
STGF359
Grand SeikoSTGF359
MSRP $2,600

At a glance

12 of 29 specs differ
Diameter
GSAR (Government Search & Rescue) Diver's Automatic41mm
STGF35928.9mm
Power Reserve
GSAR (Government Search & Rescue) Diver's Automatic40h
STGF35940h
Water Resistance
GSAR (Government Search & Rescue) Diver's Automatic300m
STGF359100m
MSRP
GSAR (Government Search & Rescue) Diver's Automatic$2,100
STGF359$2,600

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
41mm
28.9mm
Thickness
14mm
8.7mm
Lug-to-Lug
48mm
35.4mm
Lug Width
20mm
14mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Anthracite
Black

Movement

2 specs
Caliber
Sellita SW200-1
4J52
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$2,100
$2,600

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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.

Grand Seiko STGF359

Owners widely praise the Grand Seiko STGF359 for its elegant pairing with an engagement ring. Some owners find the 29mm case size too small for a man's wrist, while others suggest it can be worn by men with smaller wrists, recommending an in-person try-on. One owner notes potential date wheel misalignment requiring servicing. The bracelet has a maximum perimeter of 185mm, with extra links available. On balance, owners value the Grand Seiko STGF359 for its elegant aesthetic, though its small size is a point of consideration.

From video reviewers

The Grand Seiko STGF359 features a 9F quartz movement with exceptional accuracy, deviating by only +/−10 seconds per year. A drawback of the watch is its 40mm case size, which may be a concern for those with smaller wrists. Reviewers disagree on the type of movement, with one praising the 9F quartz and the other highlighting the spring drive movement.

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