Marathon Jeep Rubicon GSARvsSynchron Poseidon

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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 Jeep Rubicon GSAR at true scale

Jeep Rubicon GSAR

Synchron Poseidon at true scale

Poseidon

Diameter

41mm

41mm

Lug-to-Lug

48mm

45mm

lowest

Thickness

14mm

11.9mm

lowest

Water Resistance

300m

300m

Power Reserve

n/a

68h

MSRP

$2,100

n/a

Movement

Sellita SW200-1

La Joux-Perret G100

Case

3 specs
Thickness
14mm
11.9mm
Lug-to-Lug
48mm
45mm
Material
316L Stainless Steel
Titanium

Crystal & Dial

1 specs
Dial Color
Green
Sunshine Yellow

Movement

2 specs
Caliber
Sellita SW200-1
La Joux-Perret G100
Power Reserve
0h
68h

Pricing

1 specs
MSRP
$2,100
n/a
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Marathon Jeep Rubicon GSAR

Owners widely praise the Marathon Jeep Rubicon GSAR as a rugged, high-quality tool watch that successfully blends Jeep branding with Marathon's functional design, noting its durable build, satisfying bezel action, and attractive, clean dials. The tritium illumination is a key feature, though its half-life necessitates eventual replacement. Some owners find the Jeep logo to be a corporate element that detracts from Marathon's heritage, while others appreciate the laser-engraved Jeep grill detail. The watch is priced at $1,500 USD and features a Sellita SW200-1 automatic movement. On balance, owners and reviewers rate the Marathon Jeep Rubicon GSAR highly for its robust construction and unique tritium lume, despite some reservations about the branding.

From video reviewers

Illumination technology is a consensus strength. Reviewers did not agree on a specific weakness.

Synchron Poseidon

Owners widely praise the Synchron Poseidon for its vintage-inspired diver aesthetics, easy-to-read dial, and precise, grippy bezel. The La Joux-Perret G100 movement is consistently noted as a strong point, with owners reporting good timekeeping, one seeing accuracy around -4 seconds per day, and others highlighting its 68-hour power reserve. The winding action and crown operation are described as reassuring, with one reviewer stating it surpasses watches at double the price. Some find the design busy or the branding confusing, and the blasted finish on the steel bezel rim contrasts with the brushed case. One owner noted the included Isofrane strap can be long for smaller wrists. On balance, owners and reviewers rate the Synchron Poseidon highly for its robust build, reliable movement, and excellent value.