Aviation and dive watch enthusiasts might know Sinn, a cult brand that has a rich history of developing high-accuracy and highly durable utilitarian watches. Among its 2023 debuts was the T50, a 500m water-resistant watch that comes in titanium or Sinn’s alloy called “Goldbronze”, that is awaiting patent. The T50 is 41mm in case size and is driven by the SW 300-1. At Time To Watches, Sinn also presented new versions of the U50, a watch of similar case size and depth rating, but tegimented and made from submarine steel. Last but not least, the U1 is a 44mm dive watch that is water-resistant to a depth of 1,000m. Its case and bracelet are tegimented before PVD is applied – to beautiful effect.