Boschett Timepieces Cave DwellervsSinn U18

Owners praise the Boschett Cave Dweller's rugged look, versatility, and reliable performance, with one owner noting its appeal due to limited production. A reviewer flags non-drilled lugs as frustrating and criticizes the bezel grip, while also noting average blue lume performance and a small date window. Overall, owners value the Boschett Cave Dweller for its robust design and dependable functionality, with specific features like the practical clasp being a highlight for some.

The Sinn U18 is praised for its unique deep blue/green dial with three-dimensional oxygen bubbles that change with light, and its comfortable, easily adjustable bracelet. Owners find the watch stunning and a piece of history, appreciating the refined hands. The Sinn U18 features a 44mm, 15.5mm thick case made from German submarine steel, offering a 2000-meter dive specification and Sinn's Ar-Dehumidifying technology, powered by a Sellita SW300-1 movement. The case thickness is apparent, and the watch comes as a complete set with box and papers for $3,000-$3,680. On balance, owners and reviewers rate the Sinn U18 highly for its striking dial and robust build.