Stylish 50 Years Perpetual Calendar Key Chain Keyring Keyfob Metal Alloy Ring Compass
Package Content: 1X Perpetual calendar key chain Characters on the compass are color filling in the groove, not easy to fade or to abradeWith a shining mirror on the back;A small pushing handle on the compass for turning;Material: Zinc alloyRing diameter: Approx. 1.26 inch/3.2cm; Compass(D x T): Approx. 1.69 x 0.16 inch/4.3 x 0.4cmA great perpetual calendar, also a great key chain ring decorationHow to use: Turn the upper disc, aligning the year and month you are to seek, then the diagonal direction will show you the week information of each day in the month; You can know the week of every day in the range of 2007-2056; Black "S" means Saturday and red "S" means Sunday; When you seek for January or February in a leap year, you should aligning with the red "JAN" and "FEB"