Fifty years ago, the worldβs first quartz watch, the Seiko Quartz Astron, waslaunched. Perhaps no watch before or since has had a more important or lastingimpact on the watch industry, as it marked the start of the quartz revolutionwhich brought high precision timekeeping within the reach of all. Tocommemorate the Quartz Astronβs 50th anniversary, we are proud to announce alimited edition Grand Seiko watch which has a unique design and Grand Seikoβs latest quartz movement, the GMT caliber 9F86. This limited edition watch takes center stage within the Heritage Collection.The case is classically Grand Seiko, polished to a beautiful distortion-free mirror finish. The dial is in Grand Seikoβs signature deep blue color and carries a pattern based on the quartz crystal symbol that was used for many years on Seikoβs quartz watches and acts as a quiet reminder of the Quartz Astronβs importance to modern horology.The seconds and GMT hands are in gold, as are the 24 hour numerals inside the minute track and the name Grand Seiko.The case back carries the Grand Seiko lion, the symbol of Grand Seiko. Alongside are the quartz crystal symbol and the words βQuartz Watch 50th Anniversaryβ. Each watch in this limited edition of 2019 has its own serial number which is also displayed on the case back.