There is provided a band device that includes an annular band portion that forms a hollow portion, and the annular band portion includes a sensor module, a buckle portion, and an engaging portion detachably engaged with a plurality of end pieces to which a watch head is attached. The buckle portion includes a central blade, a first movable blad, and a second movable blade.

A connector includes a slide section whose one side is provided with a catching and releasing section which is engageable with and disengageable from a catching section formed in a first member, and an operation section which includes a head section and an engaging section fixed in an engaging target section formed in the catching and releasing section of the slide section, is attached to a second member, and releases the catching and releasing section from engaging with the catching section.

A connector includes a slide section whose one side is provided with a catching and releasing section which is engageable with and disengageable from a catching section formed in a first member, and an operation section which includes a head section and an engaging section fixed in an engaging target section formed in the catching and releasing section of the slide section, is attached to a second member, and releases the catching and releasing section from engaging with the catching section.

A band may include a plurality of interlocking links or link adjustment mechanisms. An interlocking link or link adjustment mechanism may include a rotating member on a first side, and a static member on a second side. The rotating member may rotate as much as approximately 45 degrees with respect to a horizontal axis of a pin in an open/unlocked position. Interlocking links or link adjustment mechanisms may interlock with one another, and the rotating member of a first interlocking link or link adjustment member may rotate to a closed/locked position. In the closed/locked position, a pin of a second interlocking link or link adjustment member may be fully inserted into the pin aperture provided by the rotating member of the first interlocking link or link adjustment member. The pin may include a pin end that may provide a spring-loaded connector that may be secured in the pin aperture.

A band may include a plurality of interlocking links or link adjustment mechanisms. An interlocking link or link adjustment mechanism may include a rotating member on a first side, and a static member on a second side. The rotating member may rotate as much as approximately 45 degrees with respect to a horizontal axis of a pin in an open/unlocked position. Interlocking links or link adjustment mechanisms may interlock with one another, and the rotating member of a first interlocking link or link adjustment member may rotate to a closed/locked position. In the closed/locked position, a pin of a second interlocking link or link adjustment member may be fully inserted into the pin aperture provided by the rotating member of the first interlocking link or link adjustment member. The pin may include a pin end that may provide a spring-loaded connector that may be secured in the pin aperture.

A wearable electronic device according to an embodiment may comprise: a housing and a wearable member. The housing may include a seating area recessed in at least a part of the side surface of the housing. The wearable member may be separably connected to the seating area. The seating area may include at least one first connecting portion on both sidewalls in one axial direction. The wearable member may comprise: a link assembly coupled to the seating area to be releasable therefrom; and a strap. The link assembly may include a pair of first sidewalls, each facing one of the two sidewalls of the housing. The link assembly may include at least one second connecting portion arranged on at least a part of the first sidewalls and engaged with the first 10 connecting portion. The strap may include: a first portion encompassing at least a part of the link assembly; and/or a second portion extending from the first portion. At least a part of the first portion may be arranged between the seating area and the link assembly.

A wearable electronic device according to an embodiment may comprise: a housing and a wearable member. The housing may include a seating area recessed in at least a part of the side surface of the housing. The wearable member may be separably connected to the seating area. The seating area may include at least one first connecting portion on both sidewalls in one axial direction. The wearable member may comprise: a link assembly coupled to the seating area to be releasable therefrom; and a strap. The link assembly may include a pair of first sidewalls, each facing one of the two sidewalls of the housing. The link assembly may include at least one second connecting portion arranged on at least a part of the first sidewalls and engaged with the first 10 connecting portion. The strap may include: a first portion encompassing at least a part of the link assembly; and/or a second portion extending from the first portion. At least a part of the first portion may be arranged between the seating area and the link assembly.

A wearable electronic device, and strap for the same are disclosed. The wearable electronic device includes: a housing, including a first connection pin detachably inserted in a first direction and a second connection pin detachably inserted in a second direction opposite to the first direction, a first strap detachably affixed to the housing via the first connection pin, and a second strap detachably affixed to the housing via the second connection pin, wherein the first strap includes a body member including a seated part in which an insert member is accommodated, and a clip member coupled to the insert member, the clip member defining an opening therein that extends lengthwise, and wherein the clip member is rotatably combined with the first connection pin.

A wearable electronic device, and strap for the same are disclosed. The wearable electronic device includes: a housing, including a first connection pin detachably inserted in a first direction and a second connection pin detachably inserted in a second direction opposite to the first direction, a first strap detachably affixed to the housing via the first connection pin, and a second strap detachably affixed to the housing via the second connection pin, wherein the first strap includes a body member including a seated part in which an insert member is accommodated, and a clip member coupled to the insert member, the clip member defining an opening therein that extends lengthwise, and wherein the clip member is rotatably combined with the first connection pin.

A connector including a cylindrical member which has a stopper provided on an end and an opening provided in an outer circumferential surface while extending to the end along an axial direction, a slide member arranged in the cylindrical member, and an operation member attached to the slide member through the opening of the cylindrical member.