Side by side

Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsGrand Seiko SLGC006

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
SLGC006
Grand SeikoSLGC006
MSRP $22,600

At a glance

12 of 29 specs differ
Diameter
GSAR (Government Search & Rescue) Diver's Automatic41mm
SLGC00643.2mm
Power Reserve
GSAR (Government Search & Rescue) Diver's Automatic40h
SLGC00672h
Water Resistance
GSAR (Government Search & Rescue) Diver's Automatic300m
SLGC006100m
MSRP
GSAR (Government Search & Rescue) Diver's Automatic$2,100
SLGC006$22,600

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
41mm
43.2mm
Thickness
14mm
15.4mm
Lug-to-Lug
48mm
51.5mm
Lug Width
20mm
23mm
Material
316L Stainless Steel
Gold
Water Resistance
300m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Anthracite
Black

Movement

2 specs
Caliber
Sellita SW200-1
9SC5
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$2,100
$22,600

Follow this matchup

Get a note when Marathon GSAR (Government Search & Rescue) Diver's Automatic vs Grand Seiko SLGC006 gets more votes, a community discussion, or a price drop. No account needed.

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 SLGC006

Owners widely praise the Grand Seiko SLGC006's stunning copper Mount Iwate dial and its high-frequency Caliber 9SC5 movement, which operates at 36,000vph and achieves accuracy between -3/+5 seconds per day with a 72-hour power reserve. Reviewers note the watch's large 43.2mm size, though some find the Evolution 9 case design improves wearability. Criticisms include the $22,600 price point, the 4:30 date window placement, and the lack of bracelet micro-adjustment. Opinions on the dial are split, with some finding it beautiful and others comparing it to rust or the Australian outback. Some question the extent of the gold accents for a "two-tone" designation. Overall, owners and reviewers acknowledge the Grand Seiko SLGC006's striking aesthetics and advanced movement, but debate its value proposition and certain design choices.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.