Christopher Ward C60 Sapphire EdgevsSinn U18

Owners widely praise the Christopher Ward C60 Sapphire Edge for its slim 42mm case and the deep blue, translucent sapphire dial that emulates rippling water, with some finding its execution superior to other brands. The watch is also lauded for its innovative lume, including on the rubber strap, and its significant value. One owner reported their dial cracked internally and the brand denied warranty coverage. Overall, enthusiasts rate the Christopher Ward C60 Sapphire Edge highly for its visually striking sapphire dial and innovative lume at its price point.

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.