Aquastar Benthos ProfessionalvsDamasko 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.

Benthos Professional

DSub50
Diameter
42mm
43mm
Thickness
13.7mm
n/a
Water Resistance
300m
300m
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 Aquastar Benthos Professional is widely praised for its significantly slimmer 13.9mm case, which contributes to comfortable everyday wear and a sleek profile, and its ultra-legible dial. Reviewers note its well-tensioned bezel and an improved beads-of-rice bracelet. Some find the 42mm case size substantial for a dive watch, and its 38-hour power reserve is considered unremarkable. The watch is priced at $1,290 during pre-order. Overall, owners and reviewers rate the Aquastar Benthos Professional highly for its comfortable wearability and legible dial at the price.
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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