What is a calendar watch?

A calendar watch, as the name suggests, indicates calendar information. It can either have one or a combination of – date, day, week, month, year and moon phase. Dating from different eras, you can find an early iteration of calendar watches from the 19th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. Find a variety of classic, vintage and antique calendar watches on 1stDibs.