One of the most sophisticated watches in the world was presented by IWC at the SIHH 2015 in Geneva. The new Portugieser Grande Complication ref. 3776 brings together many of watchmaking’s most significant achievements in a massive yet elegant 45 mm case either in 18K red gold ref. IW377602 or platinum ref. IW377601 of which 250 pieces are available respectively. This new complication brings with it the perpetual calendar, which is mechanically programmed until 2499 and requires just three adjustments in what would normally be leap years —2100, 2200 and 2300— but are not. Further complications include the perpetual moon phase display, chronograph and minute repeater. When activated by the repeating slide, the latter chimes out the precise time in harmonious tones. A total of 20 functions are made possible by the interplay of 659 individual mechanical parts. Despite its complex construction and numerous controls, the case is water-resistant to 3 bar. Several design modifications further enhance the value of the model in the new collection.