Chronotechna SeaQuestvsMarathon GSAR (Government Search & Rescue) Diver's Automatic
lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures
Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

SeaQuest

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 specsCrystal & Dial
1 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Chronotechna SeaQuest owners and reviewers praise its build quality and value, with one owner finding it worth its 399 Euro price. The watch features a 42mm steel case, a Sellita SW200-1 automatic movement, and 300m water resistance. However, opinions diverge on the dial and lume; one reviewer highlights a striking blue gradient dial, while an owner criticizes the "blackest black" NanoBlack dial for being hard to read and notes iffy lume. On balance, owners rate the Chronotechna SeaQuest well for its build quality and value, despite mixed opinions on dial legibility and lume.
The watch's super-black coating provides exceptional legibility due to its ultra-low reflectance. Reviewers did not identify any shared weaknesses.
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.
Similar watches
Matched to the watches above on size, movement, style and price, microbrands first. Open any one to dig in.
Also compared
Comparisons nearby in the catalog: alternatives to the watches above paired against the matchup.









