Abstract: The invention relates to a timepiece comprising: a casing (10) with a bottom (12), a middle (14) and a control body (16) mounted movably in relation to the middle (14), a movement (18) housed in the casing (14), a glass (26) closing the casing, a dial (28) arranged between the movement (18) and the glass (26), said dial (28) comprising two polarised lenses (28a, 28b), at least one of which is mounted on a mobile frame (30), such that said polarised lenses (28a, 28b) can assume a first state wherein elements arranged behind the dial (28) in relation to the glass (26) are visible from the side of the glass (26) and a second state wherein said elements are hidden.

Abstract: A timepiece includes: a housing (10), a movement (12) provided in the housing, a piece of glass (14) closing the housing, a dial (60) provided between the movement and the glass, wherein the dial can assume a first state in which the elements located behind the dial opposite the glass are visible from the glass side and a second state in which the elements are hidden, a mobile part capable of movement between at least one first position and at least one second position respectively corresponding to the first and second states of the dial, and display members (16) provided between the dial and the glass. The timepiece further includes a lid movably mounted relative to the housing and kinematically connected to the mobile part for urging the same from the first to the second position.

Abstract: A timepiece includes: a housing (10), a movement (12) provided in the housing, a piece of glass (14) closing the housing, a dial (60) provided between the movement and the glass, wherein the dial can assume a first state in which the elements located behind the dial opposite the glass are visible from the glass side and a second state in which the elements are hidden, a mobile part capable of movement between at least one first position and at least one second position respectively corresponding to the first and second states of the dial, and display members (16) provided between the dial and the glass. The timepiece further includes a lid movably mounted relative to the housing and kinematically connected to the mobile part for urging the same from the first to the second position.