Chronotechna SeaQuest DivevsMarathon GSAR (Government Search & Rescue) Diver's Automatic

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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.

Chronotechna SeaQuest Dive at true scale

SeaQuest Dive

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

GSAR (Government Search & Rescue) Diver's Automatic

Diameter

42mm

41mm

Lug-to-Lug

47.7mm

lowest

48mm

Thickness

12.4mm

lowest

14mm

Water Resistance

300m

300m

Power Reserve

41h

n/a

MSRP

n/a

$2,500

Movement

Sellita SW200-1

Sellita SW200-1

Case

5 specs
Diameter
42mm
41mm
Thickness
12.36mm
14mm
Lug-to-Lug
47.67mm
48mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

2 specs
Dial Color
Black
Anthracite
Lume
SLN Dark Grey X1 Grade
None

Movement

1 specs
Power Reserve
41h
0h

Pricing

1 specs
MSRP
n/a
$2,500
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Reviews

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

Chronotechna SeaQuest Dive

The Chronotechna SeaQuest Dive is commended for its distinctive "blackest black" dial, achieved with Musou paint for striking contrast, and its minimalist design that sidesteps common diver watch clichés. The watch is equipped with a Sellita SW200-1 automatic movement, a 42mm steel case featuring both brushed and polished finishes, a unidirectional ceramic bezel, and 300m water resistance. However, one owner notes that the cut-out edges of the sandwich dial appear rough, suggesting potential quality control issues with dial finishing. Overall, owners and reviewers appreciate the Chronotechna SeaQuest Dive for its unique dial and design, despite some concerns about dial finishing.

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.

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