Quick lock for attaching one end of a band to an object

A quick lock device of a wristwatch band, comprising:

• a frame structure that defines a cavity for receiving a sliding member through a sliding movement of the sliding member;
• a hooking member that forms an extension at an end of the frame structure and having a groove that is perpendicular to the sliding movement through the cavity;
• the sliding member that slides in accordance with the sliding movement into the cavity, wherein the sliding member comprises:
• a tongue section at one end of the sliding member, and
• a handle to facilitate the sliding movement of the sliding member in the cavity;
• and
• a snap-fit structure comprising a protruded element, located on a surface of the frame structure within the cavity, that retains the sliding member at a cut-out within the sliding member after the tongue section slides towards the hooking member when the handle is pushed towards the hooking member.