Chronotechna SeaQuestvsMarnaut Dark Surge 300
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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.

SeaQuest

Dark Surge 300
Diameter
42mm
41mm
Lug-to-Lug
47.7mm
lowest
50mm
Thickness
12.4mm
lowest
14.2mm
Water Resistance
300m
300m
Power Reserve
41h
41h
MSRP
n/a
$1,390
Movement
Sellita SW200-1
Sellita SW200-1
Case
4 specsCrystal & Dial
2 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 Marnaut Dark Surge 300 is noted for its distinctive "sea urchin" dial pattern and original design. Reviewers consistently mention the lack of minute markers on the bezel, which is seen as a drawback for traditional diving functionality, and some note a small amount of backward play in the bezel. The case size is described as having a larger wrist presence than its dimensions suggest, with one source stating the 41mm case and another the 42mm case, and lug-to-lug measurements around 52-53mm. One source reports the movement as a Sellita SW200-1 automatic with a 41-hour power reserve and 300m water resistance, while others state it is a Miyota 9015, with one noting audible rotor noise and another an average accuracy of 12 seconds fast per day. On balance, owners and reviewers find the Marnaut Dark Surge 300 to be a capable daily watch with a unique dial at a good value, despite noted bezel and dial marker limitations.
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