Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsMarin Instruments Steel Skin-Diver S

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Marathon GSAR (Government Search & Rescue) Diver's Automatic at true scale

GSAR (Government Search & Rescue) Diver's Automatic

Marin Instruments Steel Skin-Diver S at true scale

Steel Skin-Diver S

Diameter

41mm

39mm

Lug-to-Lug

48mm

n/a

Thickness

14mm

n/a

Water Resistance

300m

highest

200m

MSRP

$2,500

$1,295

lowest

Movement

Sellita SW200-1

Sellita SW200-1

Case

6 specs
Diameter
41mm
39mm
Thickness
14mm
n/a
Lug-to-Lug
48mm
n/a
Lug Width
20mm
n/a
Material
316L Stainless Steel
n/a
Water Resistance
300m
200m

Crystal & Dial

2 specs
Crystal
Sapphire
n/a
Dial Color
Anthracite
Black

Pricing

1 specs
MSRP
$2,500
$1,295
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Reviews

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 as a versatile and well-made tool watch, with reviewers highlighting its legibility, utilitarian build, and comfort. Owners appreciate the tritium gas tubes for exceptional illumination in darkness, a feature noted as superior to some alternatives. The 41mm case size is considered ideal by some, though one owner found it wore tall and bumped on objects. While the watch is generally seen as a solid value for a Swiss-made tool watch, some owners have reported quality control issues requiring warranty service. Overall, owners and reviewers rate the Marathon GSAR (Government Search & Rescue) Diver's Automatic highly for its robust build and constant legibility from tritium.

Marin Instruments Steel Skin-Diver S

Owners widely praise the Marin Instruments Steel Skin-Diver S for its balanced, sporty, and original design, with many finding its 39mm case size and 20mm lugs ideal for comfortable daily wear, even on smaller wrists. Reviewers highlight its practical and legible dial, a smooth 60-click bezel with excellent BGW9 lume, and a flat case profile with sharp lugs reminiscent of vintage skin divers. One owner notes the dial text "SKIN-DIVER" is a bit contrived, while another finds the watch to be of similar quality to many other divers and not particularly noteworthy. Testing showed accuracy around +5 seconds per day, powered by a Sellita SW200-1 movement. On balance, owners and reviewers rate the Marin Instruments Steel Skin-Diver S highly for its wearability and vintage-inspired design at its price point.

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