Case for a timepiece

The invention relates to a case (1) for a timepiece (1000), comprising a middle (2) for receiving a movement (100) on which a dial (3) is mounted, said dial supporting an upper subassembly (4) or glass (40) at the top portion (21) of said middle (2), and a bottom (5) engaging with a lower portion (22) of said middle (2). Said middle (2) comprises a device (10) for removing or adjusting said upper subassembly (4) or said glass (40), which comprises a plurality of push members (6), each of which is movable in a well (7) of said middle (2), relative to said middle (2) and parallel to an axial direction (D), in order to transmit, directly or via a push plate (8) and to said single dial (3), a force applied to said push member (6) in said direction (D) from said lower portion (22), said force being transmitted by said dial (3) to said upper assembly (4) or to said glass (40).