U.S. Polo Assn. Men's US9039 Analog-Digital Black Dial Orange Rubber Strap Watch

Bidirectional: A bezel that rotates both clockwise and counterclockwise. It may have printed or engraved markers, numbers, or directional markers.

Interchangable: A bezel that can be removed and replaced by another bezel. In most cases, a watch with an interchangeable bezel comes as a set.

Slide-Rule: A rotating bezel that is printed or engraved with a logarithmic scale, metric scale, or other scales. It is used with fixed mathematical rules, allowing the wearer to perform directional/navigational or mathematical calculations.

Stationary: A bezel that does not rotate.

Tachymeter (or Tachometer): A bezel that allows the wearer to calculate speed based on travel time over a fixed distance traveled. For this reason, most tachymeter bezels will have markings or scales printed or engraved on the surface.

Unidirectional: A bezel that rotates one way. Most unidirectional bezels rotate counterclockwise. In many dive watches, it is used to measure elapsed time spent underwater.

Date: The watch displays the date of the month.

Date and Moon Phase: The watch displays the date of the month and the phase of the moon.

Date and Moon: The watch displays the date of the month and the month of the year.

Day: The watch displays the day of the week.

Day and Date: The watch displays the day of the week and the date of the month.

Day Date and Month: The watch displays the day of the week, the date of the month, and the month of the year.

Day Date Month and Year: The watch displays the day of the week, the date of the month, the month of the year, and the year.

Day Date Month Year and Moon Phase: The watch displays the day of the week, the date of the month, the month of the year, the year, and the phase of the moon.

Day Date and Moon Phase: The watch displays the day of the week, the date of the month, and the phase of the moon.

Month: The watch displays the month of the year.

Perpetual Calendar: The watch is programmed to automatically adjust the date of the month for the varying lengths of months as well as leap years to the year 2100.