Side by side

Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsGrand Seiko SBGM245

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
SBGM245
Grand SeikoSBGM245
MSRP $6,100

At a glance

11 of 29 specs differ
Diameter
GSAR (Government Search & Rescue) Diver's Automatic41mm
SBGM24540.5mm
Power Reserve
GSAR (Government Search & Rescue) Diver's Automatic40h
SBGM24572h
Water Resistance
GSAR (Government Search & Rescue) Diver's Automatic300m
SBGM245200m
MSRP
GSAR (Government Search & Rescue) Diver's Automatic$2,100
SBGM245$6,100

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
41mm
40.5mm
Thickness
14mm
14.4mm
Lug-to-Lug
48mm
48.6mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Anthracite
Black

Movement

2 specs
Caliber
Sellita SW200-1
9S66
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$2,100
$6,100

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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 SBGM245

Owners widely appreciate the Grand Seiko SBGM245 for its blend of sport and luxury, with one enthusiast highlighting its superior workmanship over quartz movements. However, opinions on its size vary, as one owner found the SBGM245 too large, preferring the comfort of a different variant. Overall, owners value the Grand Seiko SBGM245 for its refined craftsmanship, though its wearability is a point of personal preference.

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