Clockwork

The Tenth Doctor faces a Clockwork Droid. (TV: The Girl in the Fireplace)

Clockwork was the inner workings of a clock or any similar, mechanical device. It was usually powered by a winding device that, when wound, generated energy through a spring, pendulum or gear to create a motion. Wind-up toys frequently contained clockwork.

Clockwork soldiers were present in the Land of Fiction. (TV: The Mind Robber)

Shade Vassily used clockwork technology in the 20th century. (PROSE: The Clockwise Man)

Clockwork Droids were 51st century robots on the SS Madame de Pompadour, as well as on its sister ship, the SS Marie Antoinette. (TV: The Girl in the Fireplace, TV: Deep Breath)

The new series 8 Clockwork Droid had become more human like due to the continued use of human parts, skin etc

The Seventh Doctor created miniature clockwork people for his model train set. (PROSE: Model Train Set)

Iris Wildthyme claimed to be a renegade from a race known as the Clockworks. In this case, the name referred to their rigid demeanour and role in keeping the multiverse orderly. (PROSE: The Blue Angel)