Phoibos KrakenvsSinn U18

Owners widely praise the Phoibos Kraken for its excellent lume, dial production, and the thinness of its Miyota 9015 movement, all at a sub-$500 price point. Specific positive mentions include the case and bracelet finishing, with one owner calling the bracelet excellent. The 40mm size is considered ideal by some. However, some owners find the crown guard execution awkward, and the hands have been described as resembling "veiny penises." There is also a concern that the dial's appearance in natural light might not achieve the desired color-shifting, smoky metallic effect. Overall, owners rate the Phoibos Kraken highly for its impressive dial and finishing at the price.

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.