Abstract: A timepiece has a watch movement including a complication of the chronograph or countdown type, a fixed body (10) and a display (20) with moiré effect for displaying a time information associated with the chronograph or the countdown. The display has a mobile disc (22) with an indicator (24) of the time information. The mobile disc (22) is connected to an axis (23) in engagement with the watch movement and arranged to rotate above or below the fixed body (10). One of the mobile disc (22) and the fixed body (10) has a plurality of apertures (26) arranged over 360°. The other of the mobile disc (22) and the fixed body (10) includes a marking with a repetition of patterns including a first set of patterns having a first visual appearance (27) and a second set of patterns having a second visual appearance (28).

Abstract: A substrate for forming timepiece components includes a first part based on photostructurable glass and at least a second part based on at least one second material. One surface of the first part is made integral with a surface of the second part so as to form a one-piece timepiece component.