CITIZEN Ground Y ANA-DIGI TEMPDESCRIPTION Ground Y 2021 Spring Summer Collection. This time, the notable collaboration item is the release of the watch, which is a collaboration with Ground Y and japanese watch maker CITIZEN. The base model is "ANA DIGI TEMP" which was introduced from CITIZEN in 1980's and became a big hit at that time. It is a multifunctional model with a combination of analog and digital, mechanical design, chronograph, alarm, thermometer and calendar. Not only