In the future a pen is not only used for finishing job or just for giving a sign in a letter. But in next era the function of a pen will move as a fashionable gadget. An Indonesian designer Raka Gemma has given an idea to change the function of pen, from usual pen into digital pen, that has double function. As a pen it can be used as instrument writing, but in the other hand, it also can show a time like a wristwatch. Called as “Helix” this futuristic instrument writing is so sustainable for trendy user. It can also increase user performance when wear it on their wrist.