Definitions for "Battery Reserve Indicator"
The watch will indicate when the battery is nearing it's end by causing the movement of the hands to jump 2-4 seconds depending upon the make and model. This function is only availalbe on some Quartz watches.
Some Quartz watches have this function. The watch will indicate when the battery is nearing the end of its life. This can often be seen by observing the movement of the hands which will jump 2-4 seconds depending upon the make and model.
See "power reserve indicator".