The tubes and the base are made of metal, manufactured on a lathe. The waterproof base has a bronze syringe (whistle) that can produce an acute sound at predefined intervals, after the mechanism is activated by a means of a small bronze tap.
The clock is in the form of a large klepsydra. It consists of two vertical tubes and a waterproof concave base, connected to a hydraulic siphon.
The tubes and the base are made of metal, manufactured on a lathe. The waterproof base has a bronze syringe (whistle) that can produce an acute sound at predefined intervals, after the mechanism is activated by a means of a small bronze tap.