Whenever we listen to the word world’s most expensive gadget it reminds us that this gadget definitely be made of diamond or gold and same is the case here. The Piaget Eperador ‘Temple’ is the world’s most expensive wrist watch, actually it consists of a set of one visible and one hidden watch that can be revealed by pushing a specific part of the watch. One watch is studded with 481 brilliant cut diamonds,207 baguette cut diamonds and an emerald cut diamond on the top of the case. Whereas the second watch 162 brilliant cut diamonds and 11 baguette cut diamonds.It has a price tag of $3,300,000. For more info plz visit piaget.