Dating mappin webb silver plate marks
Various extra features, called "complications", such as moon-phase displays and the different types of tourbillon, are sometimes included.
Modern watches often display the day, date, month and year, and electronic watches may have many other functions.
The British had predominated in watch manufacture for much of the 17th and 18th centuries, but maintained a system of production that was geared towards high quality products for the elite.
The oldest surviving wristwatch (then described as a bracelet watch) is one made in 1806 and given to Joséphine de Beauharnais.