Embodiments of a watch can include a watch having an analog watch face, a first watch band portion, a second watch band portion and an analog watch face. The watch can include a butterfly clasp having a digital display and a circuit board associated with a controller.

An attachment mechanism that can be used to attach a portable or wearable electronic device to a user. The attachment mechanism may include a band strap having multiple links that are configured to wrap around a user's wrist. The links of the band may be spring biased and allow the band to be secured to a wrist or other object as it transitions from an open to a closed position. The amount of spring bias may be adjusted or specially configured to attach the device comfortably yet securely.

A device for securing a watch strap on a watch case (1). The watch case (1) including a pin (3), a longitudinal slot (2) delimited by two main support surfaces (21, 22) parallel to a main plane (PP) and the connecting piece (10) includes at least one lateral face (56), which includes for its fixture to the case (1) at least one guiding groove (4) arranged to cooperate in a complementary manner with the pin (3), and the end link (10) includes at least one lock (5). The lock includes a slide catch (51) arranged to cooperate with the slot (2) in a locking position, towards which the slide catch (51) is moved by elastic return means (62) belonging to the lock, and including unlocking means arranged to be operated directly by a user to move the slide catch (51) away from the slot (2) of the case (1).

A connector including an attachment member which has an attachment hole and is provided on one of a connection object and a connection target, and a connection member which includes a slide member that has a lever and is slidable in a cylindrical member inserted into the attachment hole, and is attached to an other one of the connection object and the connection target by the slide member protruding from an end of the cylindrical member, in which the attachment member has a slit hole which is formed extending from one end of the attachment hole to an other end of the attachment hole and in which the lever is slidable.

A watch system may include a watchband including a flexible member configured to be mounted onto a wrist of a user, and a puck including watch functionality. The watchband may have an end that has a concave curved shape. The puck may have a connection interface that has a convex curved shape. The connection interface may be to be removably coupled to the end of the watchband. The watchband and the puck may have corresponding locking features that are configured to rotationally and translationally fix the puck to the watchband. The corresponding locking features may be configured to be engaged when the watchband is translated relative to the puck and rotated relative to the puck by a predetermined rotation angle.

A biological information detection device includes a case that is provided with a sensor that detects biological information about a subject, a band that secures the case on the subject, and an adjustment mechanism that pulls the band in a first direction when a rotary member that is supported by the case has been rotated, the first direction being a direction in which the side of the case that is situated opposite to the subject comes in contact with the subject.

Embodiments of a digital clasp for a watch can include a watch having an analog watch face, a first watch band portion, a second watch band portion and an analog watch face. The digital clasp can include a clasp housing that includes a latch assembly configured for attachment to the first band portion and the second band portion, a digital display, and a circuit board associated with a controller.

Embodiments of a watch can include a watch having an analog watch face, a first watch band portion, a second watch band portion and an analog watch face. The watch can include a digital clasp having a digital display and a circuit board associated with a controller.

Provided is a device for fastening and unfastening a watch, in which a plurality of bezels is provided and a fastening means is provided between the bezels, so that the watch is easily and conveniently fastened and unfastened in a one-touch manner, thus completely preventing the bezels from being damaged, and providing a novel structure for fastening and unfastening a wrist watch, unlike a general watch that has a fastening and unfastening structure on a watch band. Therefore, it is possible to solve problems of inconvenience when fastening and unfastening a watch band on a user's wrist because the fastening structure applied to the band in the conventional wrist watch is eliminated, in addition to offering good appearance and allowing the watch to be easily detachably attached.

A watch type terminal includes a main body, and a strap connected to the main body. In the watch type terminal, the strap includes one or more modules each having a specific function, and one or more partition straps having the one or more modules respectively received thereat. In the strap, the module and the partition strap are electrically connected to each other.