Smart watch with 'Always-On Display' is slightly more expensive in Bangladesh. Some smart watch has an “Always-On Display” feature so these always show the time. What does 'Always-On Display' do on Smart Watch? So, choose the mobile watch according to your needs as the calling feature makes the smart watch more or less expensive. However, some smart watch can only accept and reject calls. On the other hand, most smart watch has the facility to make calls by connecting to a smartphone via Bluetooth. Many smart watch has a SIM slot so that using the SIM, calls can easily be made through the smart watch. Smartwatch in Bangladesh is also commonly known as mobile gori, mobile watch, digital watch, and Android watch. Smart watches, in particular, are becoming very popular among the youth of Bangladesh due to its advanced technology and low price. With the advancement of technology, smart watches have replaced the traditional watches that provide a user with digital watches, medical sensors, health monitoring and other smart features.