Skeleton watch including: - a case middle which defines an interior space ; - a crystal and a back cover fixed to the case middle on either side of the latter to enclose the interior space ; - a movement that includes: - an openworked frame having a front face and a back face ; - time display means mounted, on the front face side of the frame , on a central arbor integral with the frame, said time display means including, in particular, a minute hand and an hour hand ; - a reduction mechanism meshed with the time display means ; - a motor including: ▪ an electromagnet ; ▪ a stator ; ▪ a rotor bearing a pinion meshed with the reduction mechanism ; - an electronic circuit including: ▪ a piezoelectric quartz ; ▪ a control circuit connected to the quartz and to the stator by means of electrical conductors ; characterized in that the movement includes an additional plate which carries the electronic circuit , said additional plate being distinct from the back cover and fixed to the frame on its back face side. - a case middle which defines an interior space ; - a crystal and a back cover fixed to the case middle on either side of the latter to enclose the interior space ; - a movement that includes: - an openworked frame having a front face and a back face ; - time display means mounted, on the front face side of the frame , on a central arbor integral with the frame, said time display means including, in particular, a minute hand and an hour hand ; - a reduction mechanism meshed with the time display means ; - a motor including: ▪ an electromagnet ; ▪ a stator ; ▪ a rotor bearing a pinion meshed with the reduction mechanism ; - an electronic circuit including: ▪ a piezoelectric quartz ; ▪ a control circuit connected to the quartz and to the stator by means of electrical conductors ; characterized in that the movement includes an additional plate which carries the electronic circuit , said additional plate being distinct from the back cover and fixed to the frame on its back face side. - an openworked frame having a front face and a back face ; - time display means mounted, on the front face side of the frame , on a central arbor integral with the frame, said time display means including, in particular, a minute hand and an hour hand ; - a reduction mechanism meshed with the time display means ; - a motor including: ▪ an electromagnet ; ▪ a stator ; ▪ a rotor bearing a pinion meshed with the reduction mechanism ; ▪ an electromagnet ; ▪ a stator ; ▪ a rotor bearing a pinion meshed with the reduction mechanism ; - an electronic circuit including: ▪ a piezoelectric quartz ; ▪ a control circuit connected to the quartz and to the stator by means of electrical conductors ; characterized in that the movement includes an additional plate which carries the electronic circuit , said additional plate being distinct from the back cover and fixed to the frame on its back face side. ▪ a piezoelectric quartz ; ▪ a control circuit connected to the quartz and to the stator by means of electrical conductors ; characterized in that the movement includes an additional plate which carries the electronic circuit , said additional plate being distinct from the back cover and fixed to the frame on its back face side. <EOS>