Chronotechna SeaQuest DivevsDamasko DSub50
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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 Dive

DSub50
Diameter
42mm
43mm
Lug-to-Lug
47.7mm
n/a
Thickness
12.4mm
n/a
Water Resistance
300m
300m
Power Reserve
41h
n/a
Movement
Sellita SW200-1
Sellita SW200-1
Case
4 specsCrystal & Dial
3 specsMovement
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
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.
Owners widely praise the Damasko DSub50's "bulletproof" build quality, citing its DAMEST coating and robust crown system with lubricated cells and double O-rings for underwater use. The hardened case is noted to be in near-perfect condition, and the bezel action is described as superior. One owner reports a small scuff on the outer anti-reflective coating of the crystal. On balance, owners rate the Damasko DSub50 highly for its exceptional durability and dive-ready features.
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