Connecting device allowing a releasable connection between a bracelet strap and a folding clasp including at least two articulated arms and two fastening portions capable of reversibly cooperating with each other. The connecting device includes a first connecting piece capable of being secured to the free end of the bracelet strap and a second connecting piece capable of being mounted on the fastening portion. The first connecting piece and the second connecting piece are configured to reversibly cooperate with each other between a first, open position allowing separation of the first connecting piece and the second connecting piece and a second, closed position in which the first connecting piece and the second connecting piece are locked together.

A watch clasp with a finely adjustable watch strap length includes: a watch clasp sliding holder, located on a back surface of a watch clasp case; a sliding stop module, fixing the watch clasp sliding holder to the back surface of the watch clasp case through engagement, where the sliding holder can slide between the watch clasp case and the sliding stop module; a stop spring bar, fixed to the watch clasp case, and an unlock module, fixed to the watch clasp case where the unlock module is engaged with the sliding stop module, and the stop spring bar and the unlock module are respectively located on two sides of the sliding stop module; and an extension latch assembly, where one end of the extension latch assembly is fixed to the watch clasp case, and another end of the extension latch assembly is fixed to an elastic fine-adjusting assembly.

A sleeve for use in an assembly for coupling a wristworn device to a first end of a strap. The sleeve has a first end dimensioned to be received in the recess in the inner face of the first lug of a wristworn device, an inner cavity dimensioned to receive therein the first end of a conventional spring bar, and a retractor coupled to the sleeve for urging the first end of the spring bar towards the second end of the spring bar. The second end of the spring bar is coupled to the second lug, the spring bar is coupled to the strap, the first end of the spring bar is positioned in the inner cavity of the sleeve and the first end of the sleeve is coupled to the first lug. A removable retractor for use with a spring bar, which allows for the use of a plurality of spring bars and therefore, lends itself to widespread use and retrofitting of an assembly that couples a strap to a wristworn device, is also provided.

The present disclosure may provide a connector, an electronic apparatus, a wearable apparatus and an assembly method. The connector may include: a main body and a mating member connected to the main body. An inclined face may be provided on one end of the mating member away from the main body, and a recess may be defined between the inclined face and the main body. The mating member may be configured to be inserted into a mating site of the electronic apparatus; the inclined face may be configured to push an engaging member of the electronic apparatus to move on the inclined face while the mating member is being inserted into the mating site; when the mating member is inserted into the mating site and arrives at a predefined location, the engaging member may be restored and accommodated in the recess to engage with the connector.

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.

A metallic mesh material used to form a portion of a band or securing strap for a wearable electronic device. The band may include a magnetic tab for securing a wearable device to the wrist of a user. The tab may include one or magnetic elements that are configured to engage a surface of the mesh to secure the wearable device to the wrist of a user.

A wearable device includes a main body and a coupling member. The main body has a tail portion and a hook portion at two opposite sides respectively. One end of the coupling member is connected to the tail portion. A buckle hole of another end of the coupling member is for sleeving onto the hook portion 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 metallic mesh material used to form a portion of a band or securing strap for a wearable electronic device. The band may include a magnetic tab for securing a wearable device to the wrist of a user. The tab may include one or magnetic elements that are configured to engage a surface of the mesh to secure the wearable device to the wrist of a user.

A watch clasp with a finely adjustable watch strap length includes: a watch clasp sliding holder, located on a back surface of a watch clasp case; a sliding stop module, fixing the watch clasp sliding holder to the back surface of the watch clasp case through engagement, where the sliding holder can slide between the watch clasp case and the sliding stop module; a stop spring bar, fixed to the watch clasp case, and an unlock module, fixed to the watch clasp case where the unlock module is engaged with the sliding stop module, and the stop spring bar and the unlock module are respectively located on two sides of the sliding stop module; and an extension latch assembly, where one end of the extension latch assembly is fixed to the watch clasp case, and another end of the extension latch assembly is fixed to an elastic fine-adjusting assembly.