this is a beautiful and rare UG unisonic 853100 daydate from the early 1970s with highbeat (360HZ frequency) movement and black tritium dial. the ug licensed unisonic 1-53 tuning fork movement with 15 jewels is based on the Bulova Accutron, and an important invention in watch history. Our example is in absolute original condition, coming with a rare black/blueish tritium dial and -hands, U-signed crown and the U-signed plexiglas. It´s supersharp 34mm steelcase has never been polished and clearly shows both numbers being engraved on the caseback. this universal geneve unisonic with day and spanish date-window comes on a new 19mm sport tropic band. 1300€ Please contact us over this link