The back of the Polaris pointer quartz clock is a simple plane, and there are usually no marks or decorations on it. The following are some features that may be seen on the back of the Polaris pointer quartz clock:

1. Battery box or battery compartment: There is a battery box or battery compartment on the back for placing the batteries needed by the quartz clock. This battery box can usually be opened or removed for battery replacement.

2. Time adjustment button: There are one or more small buttons for adjusting the time, date and other functions of the clock. These buttons are usually small and may need to be adjusted with tools, such as a pointed pen cap or a tiny screwdriver.

3. Hook or bracket: There may be a hook or bracket on the back to fix the clock on the wall hook or support it on a flat surface.

4. Manufacturer's logo or brand logo: Sometimes the back of the watch may be printed with the manufacturer's logo or brand logo to show its manufacturer.