If the clock hands do not move, then the cause of the malfunction is a fuse or wiring. Faulty clocks cannot be repaired, they should simply be replaced.
Warning signal of non-switched-off lighting
Depending on the modification Renault 19 sounds «Ta-Tyu» a signal if, with the ignition key removed, you forgot to turn off the light and opened the door. Anyone who gets tired of this signal can disconnect the contact connection of the brown wire in the control device.