Watch band comprising lower and upper half band portions connected at a fold portion to surround a watch lug at the fold portion, each comprising a drilled hole for the passage of a double rivet comprising lower and upper bodies, either inserted one inside the other or each inserted into a common tube, the band including, at each double rivet, a snap means for ensuring a reversible axial stop for the lower body with respect to the upper body, comprising either a holding plate aligning lower and upper grooves of the lower and upper bodies, or two lower and upper clip lips of the common tube each clip fitted onto a complementary lower or upper lip of the lower or upper body.

Watch comprising at least one case and a strap formed by a flexible blade with a first end fixed to the case and a second opposite end provided to cooperate with a device for attaching and adjusting the length of the strap. According to the invention, the adjustment device comprises a clasp formed by a cap and a lever between which the flexible blade slides, the clasp being hinged on the case by linking means which define an axis of rotation about which the lever can undergo a rotation in order to be able to move into an open position and into a closed position, the lever comprising an eccentric which is integral with the lever in the vicinity of the axis of rotation and is provided in order to clamp the free end of the blade against the cap and to retain the strap when the lever is in the closed position.

Watch comprising at least one case and a strap formed by a flexible blade with a first end fixed to the case and a second opposite end provided to cooperate with a device for attaching and adjusting the length of the strap. According to the invention, the adjustment device comprises a clasp formed by a cap and a lever between which the flexible blade slides, the clasp being hinged on the case by linking means which define an axis of rotation about which the lever can undergo a rotation in order to be able to move into an open position and into a closed position, the lever comprising an eccentric which is integral with the lever in the vicinity of the axis of rotation and is provided in order to clamp the free end of the blade against the cap and to retain the strap when the lever is in the closed position.

A watchband can comfortably secure an electronic device to a wrist of a user. The watchband can include a base having a contact surface opposite an engagement surface, contact loops on the contact surface for contacting a user, and engagement loops on the engagement surface for engaging hooks. The hooks can be provided on the engagement surface, opposite some of the contact loops. Edge sections of the base can wrap around a central section to define an end of the base. A tab can extend from an end of the base to facilitate attachment, adjustment, and/or removal of the watch band. The tab can further help maintain the assembled parts in place to enhance durability of the watchband.

A watchband can comfortably secure an electronic device to a wrist of a user. The watchband can include a base having a contact surface opposite an engagement surface, contact loops on the contact surface for contacting a user, and engagement loops on the engagement surface for engaging hooks. The hooks can be provided on the engagement surface, opposite some of the contact loops. Edge sections of the base can wrap around a central section to define an end of the base. A tab can extend from an end of the base to facilitate attachment, adjustment, and/or removal of the watch band. The tab can further help maintain the assembled parts in place to enhance durability of the watchband.

A wearable device includes a main body and a band body. The opposite sides of the main body are provided with a tail portion and a hook portion, respectively. An open groove is provided between the hook portion and other parts of the main body. One end of the band body is connected to the tail portion. The band body enters the open groove from an open side of the open groove and is folded back around the hook portion. The other end of the band body is fixed to a part of the band body, so that the band body is coupled to the hook portion, and the band body is adapted to fix the main body to a subject.

A wearable device includes a main body and a band body. The opposite sides of the main body are provided with a tail portion and a hook portion, respectively. An open groove is provided between the hook portion and other parts of the main body. One end of the band body is connected to the tail portion. The band body enters the open groove from an open side of the open groove and is folded back around the hook portion. The other end of the band body is fixed to a part of the band body, so that the band body is coupled to the hook portion, and the band body is adapted to fix the main body to a subject.

A watch includes a case; a first spring bar support portion and a second spring bar support portion which are provided on the case; a spring bar supported by the first spring bar support portion and the second spring bar support portion; a cover member into which the spring bar is inserted and which is disposed between the first spring bar support portion and the second spring bar support portion, the cover member entirely surrounding a circumference of the spring bar; and a band disposed between the cover member and the case.

A watch includes a case; a first spring bar support portion and a second spring bar support portion which are provided on the case; a spring bar supported by the first spring bar support portion and the second spring bar support portion; a cover member into which the spring bar is inserted and which is disposed between the first spring bar support portion and the second spring bar support portion, the cover member entirely surrounding a circumference of the spring bar; and a band disposed between the cover member and the case.

A reel assembly operable to be wound by a screen assembly is provided. The reel assembly is received in a frame assembly, and includes a reel, a connector, a limit part, and a spring. The connector is fixedly connected to the frame assembly. The limit part is rotatably connected to the frame assembly. The reel has one end rotatably connected to the connector, and another opposite end fixedly connected to the limit part. The spring has two opposite ends fixedly connected to the connector and the limit part, respectively. A display device and a smart bracelet are further provided.