Other features include a daily alarm, a full auto calendar up to the year 2099, an hourly signal and a dual time mode.

The watch is claimed to be accurate to ±15 seconds per month and is powered by a CR2016 3-volt lithium button cell.

The time is set by pressing the adjust pusher once and entering the values for the hours, minutes and seconds by using the keypad.

The button operation tones of the watch can be switched on and off by pressing the adjust pusher in the calculator mode.

The watch displays the elapsed hours when the key marked with the secondary function "ST-hour" on the keypad is pressed while in the stopwatch mode.

Pressing the mode button again will fill only some of the cells, and pressing the mode button one more time will display the module number.Since its introduction, the CA-53W was only available in a single variation, CA-53W-1, with a black case and strap sporting a digital display consisting of dark characters against a light background.

In early 2020, Casio introduced five new variants with the model name CA-53WF, each sporting a different color case and strap.

[8] A common misconception about the CA-53W is that the watch was worn by Marty McFly in Back to the Future (portrayed by Michael J.

The watch was also seen throughout the American TV series Breaking Bad, in which it is worn by the main protagonist, Walter White (portrayed by Bryan Cranston).