US Patent 9933756 Smart watch

The invention discloses a smart watch, which comprises: a dial (10), a first and a second straps (20,24), connected respectively to both sides of the dial (10); wherein a first and a second displays (12,13) are disposed respectively on a front and a back of the shell body (11) of the dial (10), the first and second straps (20,24) are disposed with a plurality of clasps (21) and clasp holes (22) correspondingly, and the first and second displays (12,13) can have the same or different shapes and sizes, depending on whether the watch is worn on front or back, so that when worn on different side, different display is viewed to achieve complex application. Designing different appearances for the front and back of smart watch satisfies various esthetics, and manufacturing the first and second displays (12,13) monolithically simplifies the control circuit to improve smart watch quality.