Abstract: A balance spring (1) intended to be fitted to a timepiece balance having fixed inertia, the balance spring (1) being formed of a core (10) having lateral faces (10c) connecting an upper face (10a) to a lower face (10b), the balance spring (1) including on one of the lateral faces (10) in one portion of the outer coil (5), a coating formed of one or more layers, the coating including two layers with a first electrically conductive layer (12) coated with a second outer layer (13) made of a ceramic, or a combined layer (13), made of an electrically conductive ceramic. Also a method of manufacturing this balance spring.

Abstract: A balance spring (1) intended to equip a balance of a horological movement, wherein the balance spring (1) is made of a niobium and titanium alloy containing: niobium: the remainder to 100 wt %; titanium with a weight percentage that is greater than or equal to 1 wt % and less than 40 wt %; traces of other elements chosen from among O, H, C, Fe, Ta, N, Ni, Si, Cu and Al, each of said elements being in the range 0 to 1,600 ppm of the total weight, and the sum of said trace elements being less than or equal to 0.3 wt %.

Abstract: A selection and actuation device for at least a first and second function of a watch movement includes a translationally and rotationally movable control stem respectively selecting and actuating at least one of the functions. The control stem occupies at least first, second and third distinct, successive axial positions. An actuating lever bears first and second wheels and pinions. The actuating lever occupies a neutral position when the control stem is in one of its first and third positions, and pivots, on either side of the neutral position, between a first driving position actuating the first function responsive to control stem rotation in a first direction, and a second driving position actuating the second function responsive to a control stem rotation in a second direction. Also disclosed is a movement including such a selection and actuation device as well as to a timepiece including such a movement.

Abstract: A variation reduction mechanism of a stop position of a pointer includes a return gear that is driven in conjunction with a time display mechanism, a slip torque spring (friction member) that contacts the return gear to apply a friction force to the return gear to be driven, and a return spring (return spring member) that applies, to the slip torque spring, a torque of the return gear in a direction (dashed line arrow—R direction) opposite to a normal hand movement direction (arrow R direction).

Abstract: A compact crown for an electronic device such as an electronic watch, including a set of wipers capable of determining a rotation angle, rotation direction, or rotation speed, is disclosed. The set of wipers is in contact with at least one resistance member at different angular positions around a rotation axis. The crown may have a group of ground taps disposed along the resistance member and a measured signal may vary based on the position of each wiper as it contacts the at least one resistance member. A compact crown may also include capacitive members and capacitive sensors in order to similarly determine rotation angle, rotation direction, or rotation speed.

Abstract: One example cap assembly includes a printed circuit board (“PCB”) having first and second electrical contacts; a switch coupled to the PCB at the first electrical contact, the switch comprising a switching member comprising: a coupling feature coupling a first end of the switching member to the PCB at the first electrical contact; a first portion extending adjacent to the first side of the PCB from the coupling feature; a second portion extending through an opening through the PCB; and a third portion extending adjacent to the second side of the PCB; a second electrical contact formed on the second side of the PCB; wherein: the third portion of the switching member contacts the second electrical contact in a rest position, the third portion biased towards the rest position; and deflection of the first portion towards the PCB causes the third portion to break contact with the second electrical contact.

Abstract: A smart watch includes a watch strap and a flexible display panel. The first end of the flexible display panel is attached to the watch strap, and the second end of the flexible display panel is a free end. The flexible display panel has a bent state and a flattened state. When the flexible display panel is in the bent state, the flexible display panel and the watch strap are bent together and the flexible display panel is located on and in contact with an outer surface of the watch strap. When the flexible display panel is in the flattened state, the second end of the flexible display panel is out of contact with the outer surface of the watch strap and the flexible display panel is flattened in the same plane.

Abstract: A hand driving device includes first to third stepping motors, a driving circuit, a magnetic sensor, and at least one processor. The first to third stepping motors move hands. The driving circuit drives the first to third stepping motors. The processor controls a magnetic sensor, based on movement of the first to third stepping motors, determines whether or not the driving circuit has rotated the stepping motors while the magnetic sensor does not perform measurement, and, when determining that the motors have not rotated, makes the magnetic sensor start measurement.

Abstract: The present disclosure generally relates to methods and user interfaces for providing clock user interfaces. In some embodiments, methods and user interfaces for providing clock user interfaces displaying simulated emitted light, methods and user interfaces for displaying clock user interfaces including astronomical object, methods and user interfaces for displaying clock user interfaces that include adjustable time indications, methods and user interfaces for displaying clock user interfaces that include multiple calendar systems, methods and user interfaces for displaying clock user interfaces including animated numerals, methods and user interfaces for displaying clock user interfaces with colors that are based on a selected color, and/or methods and user interfaces for displaying clock user interfaces including animated lines are described.

Abstract: A method for controlling an electronic watch that includes a first pointing hand, a first motor configured to move the first pointing hand, a second pointing hand, a second motor configured to move the second pointing hand, and a pressure sensor configured to measure a pressure, the method including, when start of diving is detected based on a pressure measured by the pressure sensor, controlling the first motor and the second motor, and indicating with the first pointing hand and the second pointing hand a water depth based on the pressure and a diving time period.

Abstract: An intermittent display mechanism for a timepiece includes a mobile component in motion, an energy source for supplying a light emission source coupled with a light guide, and light emission control means. The light emission control means includes a flexible body bearing a flexible piezoelectric film or coating coated in an electrically insulating shell and attached to a fixed structure and including a distal zone overhanging with respect to the structure, arranged to interfere mechanically, at periodic or random times, with the mobile component during the travel thereof and move away from the rest position thereof before starting vibration of the flexible body and the piezoelectric film or coating, which constitutes an energy source, to convert the mechanical energy supplied by the mobile component into electrical energy supplied to the light emission source.

Abstract: A digital coin timepiece that generates a tactile presentation which indicates elapsed time including a body member that includes a tactilely readable display surface that provides haptic feedback comprising first vibrations in a first location on the display surface when the tactilely readable display surface is touched by a user, with the first vibrations providing haptic feedback representing an actual minute or elapsed minutes so that the user can determine the actual or approximate time without having to view the display surface.

Abstract: A double escapement mechanism for a watch, clock, or other timepiece.

Abstract: For example, an escape gear portion as a watch component includes a substrate containing silicon as a main component, and a light reflecting layer including a first silicon oxide layer, a silicon layer, and a second silicon oxide layer that are stacked, in this order, at the substrate, wherein, when the light reflecting layer is viewed in plan view, the light reflecting layer includes a first region and a second region, and a thickness of the silicon layer in the first region is different from a thickness of the silicon layer in the second region.

Abstract: A watch corrector (100) including at least one case (110) and at least one mobile element (120). In order to avoid a movement according to a degree of freedom, the at least one mobile element (120) is inserted by force, preferably, the at least one mobile element (120) includes at least one second immobilisation member (125) configured to immobilise the at least one mobile element (120) in the at least one case (110), and the at least one case (110) is inserted by force, preferably, the at least one case (110) includes at least one first immobilisation member (115) being configured to immobilise the at least one case (110) in the watch middle (200).

Abstract: An electronic device has a housing and a rotatable and translatable input mechanism. The housing has an aperture and the rotatable and translatable input mechanism has a shaft positioned at least partially within the aperture and a manipulation structure coupled to the shaft. The manipulation structure may be manipulated to rotationally and translationally move the shaft to provide rotational and translational input to the electronic device. A compressible seal is positioned in a gap between the housing and the rotatable and translatable input mechanism. The compressible seal may resist and/or prevent passage of contaminants into the aperture and/or obscure one or more internal components. The compressible seal may be configured to collapse or bend when the rotatable and translatable member translates.

Abstract: A mechanical watch includes an internal tracking module. The tracking module includes a transmitter, a microprocessor, and optionally a GPS module and a power source. The components of the tracking module are integrated into the watch by embedding them within one or more components of the mechanical watch. If a watch is lost or stolen, the tracking module may be actuated to provide location data over a network to a software application. To conserve power, the tracking module only actively receives and/or transmits signals periodically during intermittent windows of time.

Abstract: A device for a timepiece, comprising a support, an inertial regulating member mounted so as to rotate relative to the support by an elastic suspension connecting said regulating member to the support. The regulating member comprises a number n of rigid portions interconnected in pairs by n elastic coupling links. The elastic suspension comprises n elastic suspension links respectively connecting each rigid portion to the support.

Abstract: A slotted timer teaches time in a simple manner to those having difficulty understanding the concept of time. The timer rotates a shaft which rotates a colored disk attached to the shaft. The initial position of the colored disk is manually set by an operator using a card residing in a slot extending across the top of the timer. The card may illustrate an activity to be completed in a time period set by the operator. Different cards may be used to indicate different activities.

Abstract: A device for assembly and alignment on a first bridge, particularly a timepiece movement plate, arranged in a first plane, the device including a second bridge arranged in a second plane, the second bridge being intended to carry a component, in particular a moving component of a timepiece resonator mechanism, the device including a device for aligning the second bridge on the first bridge, the alignment device including at least two bearing faces of the second bridge arranged orthogonally to the second plane in two different directions, the alignment device further including at least two movable adjustment pieces connected to the first bridge, the adjustment pieces each being configured to contact with one of the bearing faces to position the second bridge in a position on the first bridge, the movable pieces defining a plurality of positions of the second bridge on the first bridge.