sentences:  Upon the merger of SSIH and ASUAG companies, Certina became a member of a new managerial entity, together with Mido and Tissot, which became known as Le Locle, (the newly elected Unesco World Heritage Site in Switzerland ).Sport Collection
  
  Aqua Collection
  
  Urban Collection
  
  Heritage Collection
  
  Recent collection of Certina include Titanium, 316L high grade stainless steel, sapphire glass, its own DS feature (such as the current "DS Podium", "DS First" or "DS Action") and ETA Swiss made movements are standard features.It currently offers collections, classified under the names "Automatic", "SPORT Classic", "SPORT Elegant" and "SPORT Xtreme", including some models claimed to perform up to 300 m underwater.