The early pocket watch was an item only available to the very wealthy and privleged.

In the late 17th century enameled erotic paintings began to appear painted on the back of some pocket watches.

In the late 18th and early 19th century these designs were incorporated into the movements and had motion.

It was not until 1997 that the erotic designs appeared on a wristwatch. Designed by Svend Andersen. This watch is known as the eros watch and retails at approx US $30,000. This created a demand for sex watches and erotic timepieces.

Many Erotic collectible watches are available on the internet usually selling between US $5000 upwards.

Today many designs depict positions from the Kama Sutra known as Kama Sutra watches.

All of the above are highly collectible watches and up to now have always been very costly.