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.