Calculator Watch. The history of calculator watch is very interesting. These useful devices appeared during 1970s and they reached huge popularity. Many people were amused with the functionality of these watches. You could make simple calculations and some of them had other functions like memorizing phone numbers of your friends or storing addresses that are important to you. Massive production of calculator watches happened in the middle of 1980s and they were the synonym of style in this period. The first company that presented calculator watch was Pulsar, the brand that is part of Seiko corporation. They were recognized as the company that started with electronic digital watches, but their philosophy changed when they started to produce analog watches. Both success and fame were reached.