A device for attaching a bracelet or strap to a watch case includes a bar secured to the watch case by at least one horn and an insert integral with the end of the bracelet. The bar and the insert are complementary in order to cooperate by fitting one inside the other to form a removable assembly to make the bracelet interchangeable. The bar is formed by a cylindrical arbor having at least one flat portion. The flat portion cooperates by fitting with a housing made in the insert. The housing has a substantially rectangular opening for receiving the flat portion. The bar includes a control member for pivoting the bar from a first position A, in which the insert is positioned on the arbor, to a second position B, in which the insert is locked onto the bar.

A rotating-bezel system intended to be mounted for rotation on a watch-case middle inside which a horological movement is housed, including a ceramic rotating bezel, an annular ring intended to cooperate with an element angularly secured to the middle, and an annular joint for connection between the rotating bezel and the annular ring, the annular ring being placed in the rotating bezel. According to the invention, the system further includes at least one element for locking the annular ring on the rotating bezel, and at least one element being configured to lock any relative rotation between the annular ring and the bezel and to thus angularly secure the assembly formed by the ring and the bezel.

An electronic timepiece includes a dial, an indicating hand shaft passing through the dial and to which an hour hand is attached, a planar antenna overlapping a 12-o'clock line, a winding stem overlapping a 3-o'clock line, a battery disposed in a region bordered by a 9-o'clock to 3-o'clock line and including the 6-o'clock position on the dial, and a first motor driving a second hand, a second motor driving a minute hand, and a third motor driving the hour hand. The planar antenna, the winding stem, the battery, the first motor, the second motor, and the third motor do not overlap one another in a plan view, and one of the first, second, and third motor is disposed between the planar antenna and the winding stem.

A wristworn device having a conductive dial, the conductive dial having a top side and a bottom side; a conductive case body including a conductive case back; a circuit block, and an antenna operatively coupled to the circuit block, for receiving and transmitting RF signals, wherein at least the antenna is positioned on the bottom side of the conductive dial, and further wherein the antenna and circuit block are inside the conductive case body, wherein the conductive dial and the conductive case body are physically separated; and wherein spacing created between the conductive case body and the conductive dial permits RF signals to be transmitted from out of the wristworn device on the top side of the conductive dial.

A timepiece according to the embodiment of the present invention includes a case band which has an opening on the upper surface side thereof, and which has a recess in an inner peripheral portion thereof; a bezel (windshield bezel) to which a glass (windshield) is fixed and which is mounted to the upper surface side of the case band; a protrusion which is provided at the portion of the bezel inserted into the inner side of the case band and which protrudes toward the inner peripheral portion so as not to enter the recess; and a stop member which is rotatably mounted to the bezel, which is made swingable between the upper side and the lower side of the protrusion by getting over the protrusion while undergoing elastic deformation, and the upper portion of which abuts a ceiling portion of the recess and the lower portion of which abuts the protrusion in a state in which the bezel is mounted to the case band to be respectively engaged with the case band and the bezel.

A case including a first case which has a retaining portion provided on an outer circumference thereof, an exterior member which has an engaging portion with which the retaining portion is engaged, and covers the outer circumference of the first case, a second case which is arranged on upper parts of the first case and the exterior member, and a fastening member which attaches the second case to the first case by fastening the second case to the exterior member.

A watch is a watch including a watch case, a cover glass attached to the watch case, and a decorative body attached to the watch case, wherein the watch case includes a holding wall portion provided along an outer periphery of the cover glass, a first column portion provided outside the holding wall portion, a second column portion provided outside the holding wall portion, and provided at a distance from the first column portion, and an inclined portion including an inner end portion formed from between the first and second column portions to the holding wall portion, and is connected with the holding wall portion, and an outer end portion is connected with an outer surface of the watch case and provided at a position close to a rear surface of the watch case, and the decorative body is held by the holding wall portion, the first, and second column portions.

Watch case (1) having a middle (2) provided with a blind hole (20); a first mobile horn (3) for fastening a strand of a bracelet, and provided with a through-hole (33); a first elastic element (31) exerting a force on the horn (3) that tends to push it back into a position with a widened lug distance (d); a push-button (5) traversing said through-hole (33) and engaged in the blind hole (20) in the middle, arranged so as to be able to slide between a locked position, in which the push-button (5) blocks the displacement of the horn (3), and a released position in which the displacement of the horn (3) into pushed-back position is possible, a second elastic element (52) exerting a force on the push-button (5) to push it hack into the locked position.

A watch component is comprising an austenitic ferritic stainless steel, the austenitic ferritic stainless steel including a base portion composed of a ferrite phase, a surface layer composed of an austenitic phase, and a mixed layer formed between the base portion and the surface layer, the mixed layer being composed of the ferrite phase and the austenitic phase, in which the base portion contains Cr: 18 to 22 mass %, Mo: 1.3 to 2.8 mass %, Nb: 0.05 to 0.50 mass %, Cu: 0.1 to 0.8 mass %, Ni: less than 0.5 mass %, Mn: less than 0.8 mass %, Si: less than 0.5 mass %, P: less than 0.10 mass %, S: less than 0.05 mass %, N: less than 0.05 mass %, C: less than 0.05 mass %, and a balance being composed of Fe and inevitable impurities, in which the surface layer contains 1.0 to 1.6 mass % of nitrogen, in which the surface layer has, at a surface of the surface layer, an oxide film having a thickness of 2.5 nm or greater, as calculated in terms of oxygen profiles in AES analysis.

The invention relates to a bracelet lengthening device, comprising at least one adjusting assembly (1, 2) that is movable relative to a clasp cover (21), the adjusting assembly (1, 2) and the cover (21) being provided with a first and a second fastening element (23, 35), respectively, for fastening them respectively in several positions that are able to bring about different bracelet lengths, characterized in that the adjusting assembly (1, 2) and the cover (21) are also provided with a first and a second indexing element (15, 35), respectively.