Seastrong model line is intended for divers; whether for leisure enthusiasts or professionals. The first famous Alpina Diver 10 Seastrong model was introduced in 1969. The legendary "10" had two crowns, an internal rotating bezel, WR 200M and was antimagnetic. The highest quality requirements are standard for Alpina even today. Seastrong was created for the most challenging places on our planet. Individual models offer reliability, inspiration, modern functions and emphasis on tradition: Diver GMT, Horological Smartwatch, Diver 300 or Diver Heritage.