The present disclosure discloses a watch with a case convenient to replace. The watch includes a case, a movement and an inner container, wherein the movement is disposed on the inner container. The watch further includes an engagement structure for assembling the case and the inner container; when the case is dismounted, the engagement structure is pressed to be elastically compressed towards one side of the inner container so as to be disengaged from the case; and when the case is mounted, an outer side of the inner container is sleeved by the case, and the case is pressed along a side wall of the engagement structure, so that the engagement structure is engaged with the case. The watch is convenient to operate, so that a user can select the proper case and inner container to be matched and combined, and waste caused by purchasing various different watches is avoided.

A back (1) for a watch case (50), the back (1) including a first element (10) arranged so as to be screwed onto the watch case (50), and a second element (20) including an end face bearing a pattern (M), the second element (20) being mounted such that it can move in rotation about an axis (C) passing through the centre of the case (50), wherein the second element (20) has a brake arranged so as to hold same relative to the first element (10) in different angular positions about the rotational axis (C), the brake being disposed between the first and second elements (10, 20).

A system for transforming a regular smartwatch into a luxury item, comprising, a smartwatch unit including at least the display unit of the smartwatch; and a box including a housing to accommodate said smartwatch, said box having a cover being openable and closeable to cover said display unit, wherein said cover has at least one hole so that a corresponding portion of said display unit is visible to a user when said cover is in closed position, wherein when said cover is in closed position, the smartwatch unit displays the output of the smartwatch in on said corresponding portion of the display.

A case including a case main body, a first exterior member which is arranged on an upper part of the case main body, and positioning members which are connected to the first exterior member, and positionally fix the first exterior member on the case main body, in which the first exterior member has connection portions provided in an undersurface thereof, and the positioning members have first positioning portions which are arranged in the connection portions, positionally fixed in the first exterior member, and positionally fixed on the case main body, and second positioning portions which are arranged and positionally fixed on the case main body.

A proposed device is composed of a smartwatch unit, including at least a display unit of the smartwatch, and a box, including a housing to accommodate the smartwatch. The box has a cover being openable and closeable to cover the display unit, wherein the cover has at least one hole so that a corresponding portion of the display unit is visible to a user when the cover is in closed position, and wherein when the cover is in closed position, the smartwatch unit displays the output of the smartwatch in/on the corresponding portion of the display.

A watch body and a strap are included. The watch body includes a case body having a cylindrical shape, a movement disposed inside the case body, a cover member covering one opening of the case body, and a case back covering the other opening of the case body and including a transmissive region through which the movement can be visually recognized from the outside and the movement can be visually recognized through the cover member. The strap is attached to the watch body and includes a base facing the case back of the watch body and a strap body coupled to the base. The base includes a decoration at a position overlapping at least a part of the transmissive region, and the decoration can be visually recognized through the cover member.

A case including a case main body, an operation member having an operation head portion which protrudes outside of the case main body, an exterior member which is detachably attached to the case main body while covering outer periphery of the case main body, in which the case main body has a protection projection provided on an outer peripheral surface such that an outward projection length becomes shorter from an upper side toward a lower side, and the exterior member has a housing portion which houses the protection projection.

An adjustable timer teaches time in a simple manner to those having difficulty understanding the concept of time. The timer displays remaining and elapsed time. The timer may be set to rotate a shaft at different speeds. A colored disk is attached to the shaft. Boards having faces with different numerical indicia reside in a cavity and may be interchanged by a user. The exposed board face corresponds to the setting of the timer such that one full rotation of the shaft and disk corresponds to the numerical indicia of the exposed board face.

A watch case includes a capsule receiving a watch mechanism, arranged along a main axis, and which includes a front side that has the watch face. The watch case further includes a middle surrounding the capsule and provided with an essentially cylindrical housing open toward the back from which side it receives the capsule. The watch case further includes a bezel placed against the back of the capsule. The bezel includes tabs arranged on the outer contour of the capsule, which are in a blocking position partly inserted in the interior of at least one groove having a circular orientation, produced in the cylindrical part of the housing of the middle.

A watch includes a watch body, a watch face attached to the watch body and having an opening, and a pointer. The pointer includes an extension portion disposed to sandwich the watch face between the extension portion and the watch body and extending from the opening to face an upper surface of the watch face, and a support portion protruding from the watch body into the upper surface of the watch face via the opening, and connected directly to the extension portion. The pointer includes a change portion formed in the extension portion to change a posture of the extension portion such that a front end of the extension portion is raised with respect to a base end of the extension portion to be apart from the watch face. The watch face is removed from the watch body along the extension portion raised by the change portion.