The Sinn U1 is a diving watch known for its robustness, functionality, and high resistance. The history of the watch dates back to Year 2005when it was introduced by the German watch manufacturer Sinn Spezialuhren.

From the beginning, the Sinn U1 was designed as diving watch The watch case is made of stainless steel and has a diameter of 44 mm. It is water resistant up to Depth of 1,000 meters It's water-resistant and features a unidirectional rotating bezel, allowing divers to accurately measure their dive time. The Sinn U1 also features anti-magnetic shielding and a scratch-resistant sapphire crystal to ensure reliable readability underwater and in extreme conditions. The watch's dial is simple and easy to read, which is important even in poor visibility conditions.

Although the Sinn U1 has only been on the market since 2005, it has already gained a loyal following and is appreciated by divers, sailors, and other outdoor enthusiasts around the world. The watch is considered robust and reliable, making it a perfect choice for adventurers seeking a high-quality dive watch that can withstand any situation.