IWC combined the intricate caliber 79261 movement with the rugged and athletic design of the GST collection to create the GST Perpetual Calendar. This watch came in titanium or stainless steel and offered dial markings in German, English, Italian, or French. Keep in mind that the dial language may not always match the pictures provided. Check out the IW3756-14 model, which has a sleek Stainless Steel case and a bold Black dial.