Olchars
Olcars are a type of old-fashioned pocket watch winds up using a flat, rectangular key called an olcar key or olcar fob. They are typically characterized by their distinctive three-pronged key and foliate-shaped watchcase cover. This design allows the user to easily wind the watch using the key, while also protecting the movement and balance wheel inside the case.
The term "olcar" is thought to be of German or French origin, with some sources suggesting it
Olcars were popular in the 18th and 19th centuries, particularly in Europe and North America. They were
The olcar's distinctive design and function have influenced the development of other types of pocket watch