Sinn U1

The Sinn U1 is a precision-engineered dive watch crafted from German submarine steel, offering exceptional resistance to seawater corrosion and remarkable durability. Its distinctive design features a high-contrast dial with oversized indices and hands, ensuring optimal legibility underwater. The U1’s robust construction is complemented by a reliable automatic movement, delivering accuracy and performance in demanding environments. This watch is engineered for professional divers and watch enthusiasts who value functionality, toughness, and unique design rooted in practical maritime heritage.