overview opening hours The studio of the well-known author of original jewellery Janja Prokić is another place that should not be missing on the list of all fans of Czech design, especially artistic jewellery. The boutique, located on Kampa Street, features all of Janja's work and a private lounge for individual visits. You can stop by during opening hours or contact the studio directly for a personal meeting. opening hours january—december mon closed tue—fri 11:00—19:00 sat 12:00—18:00 sun closed more about opening hours Source: Janja Prokić Studio opening hours january—december mon closed tue—fri 11:00—19:00 sat 12:00—18:00 sun closed