this is a UG unisonic 852100/01 date from the early 1970s with highbeat movement (360HZ frequency) . the ug licensed unisonic 1-52 tuning fork movement with 15 jewels is an important invention in watch history. The second hand is constantly moving and comparable to the ones from automatic calibers, unlike typical quartz second hands. Our example is in absolute original condition, coming with a white/silver dial, the U-signed plexi and the original crown. It´s extremely sharp 34mm steelcase has never been polished and both numbers are clearly displayed on the caseback. this universal geneve unisonic comes on a custommade 19mm lizzard leatherband.