A power window device comprising: a driving unit which moves a plurality of window glasses (21, 22, 23, 24) of a vehicle respectively; an operation unit which has a plurality of switches (31a-d) corresponding to the plurality of window glasses (21, 22, 23, 24) and which is provided for driving the driving unit; and a control unit which controls the driving unit to move and open or close the window glasses (21, 22, 23, 24) in accordance with an operation on the operation unit, wherein when a normal operation for operating any one of the plurality of window switches (31a-d) individually is performed, the control unit controls the driving unit to move only the window glass (21; 22; 23; 24) corresponding to the operated window switch (31a-d); when a special operation which is different from the normal operation is performed on the window switches (31a-d), the control unit controls the driving unit to move all the window glasses (21, 22, 23, 24); wherein the control unit controls the driving unit so that a movement speed of each of the window glasses (21; 22; 23; 24) caused by the special operation is slower than a movement speed of the window glass (21; 22; 23; 24) caused by the normal operation, wherein the control unit controls the driving unit to move the window glasses (21, 22, 23, 24) at different movement timings when the special operation different from the normal operation is performed on the window switches (31a-d) to move all the window glasses (21, 22, 23, 24), and wherein the control unit controls the driving unit to start moving the window glass disposed on a driver's seat side in a front row of the vehicle and then start moving the window glass disposed on an assistant driver's seat side in the front row of the vehicle so that the movements of the window glasses are started at different movement timings during the movements of the window glasses caused by the special operation. a driving unit which moves a plurality of window glasses (21, 22, 23, 24) of a vehicle respectively; an operation unit which has a plurality of switches (31a-d) corresponding to the plurality of window glasses (21, 22, 23, 24) and which is provided for driving the driving unit; and a control unit which controls the driving unit to move and open or close the window glasses (21, 22, 23, 24) in accordance with an operation on the operation unit, wherein when a normal operation for operating any one of the plurality of window switches (31a-d) individually is performed, the control unit controls the driving unit to move only the window glass (21; 22; 23; 24) corresponding to the operated window switch (31a-d); when a special operation which is different from the normal operation is performed on the window switches (31a-d), the control unit controls the driving unit to move all the window glasses (21, 22, 23, 24); wherein the control unit controls the driving unit so that a movement speed of each of the window glasses (21; 22; 23; 24) caused by the special operation is slower than a movement speed of the window glass (21; 22; 23; 24) caused by the normal operation, wherein the control unit controls the driving unit to move the window glasses (21, 22, 23, 24) at different movement timings when the special operation different from the normal operation is performed on the window switches (31a-d) to move all the window glasses (21, 22, 23, 24), and wherein the control unit controls the driving unit to start moving the window glass disposed on a driver's seat side in a front row of the vehicle and then start moving the window glass disposed on an assistant driver's seat side in the front row of the vehicle so that the movements of the window glasses are started at different movement timings during the movements of the window glasses caused by the special operation.