Tissot Watch Seastar 1000 Powermatic 80 T1204071104102. The Tissot watches Seastar 1000 with bright details and ceramic bezel merges style and performance without diluting either. The diving inspiration shapes both the appearance and the functionality of this watch. It maintains its performance underwater to a pressure of 300m. Combining high-performance with style, the Tissot Seastar 1000 will be loved by both professional and amateur divers alike. The automatic choice for divers, now combined with the energy of the Powermatic 80 movement for up to 80 hours of autonomy.