Displays the current numeric date of the month on the watch dial, usually through a window or sub-dial.

Functions as a stopwatch, recording the time using one or more sub-dials and typically an additional seconds hand that can be operated with pushers.

Presents the current phase of the moon, usually in a semicircular window, ranging from new moon to full moon and back.

Displays the date, month, and often the day of the week and year, automatically adjusting for the varying lengths of months and leap years.

Represents the 24-hour cycle, distinguishing between day and night, usually in a sub-dial or section of the watch that changes design or color.

Displays the time in many time zones around the world simultaneously, usually using a rotating dial or bezel labeled with location names.

A rotating cage that holds the escapement and balance wheel, designed to counteract the effects of gravity on the movement's accuracy.