Ode to Joy, Immortal Beloved, Fidelio, Divine Spark: These are the names of the four new versions of Tetra, the classic square watch model from NOMOS Glashütte. A multiple prizewinner and one of the most renowned mechanical watches “Made in Germany,” NOMOS Tetra is now available in four beautiful colors: copper for Tetra Götterfunken (Divine Spark), olive green for Tetra Ode an die Freude (Ode to Joy), turquoise for Tetra Unsterbliche Geliebte (Immortal Beloved), and dark blue for Tetra Fidelio. All four are powered by the NOMOS manual caliber Alpha, the tried-and-tested mechanical movement that powers many of the manual watches from NOMOS Glashütte. It can be seen at work through the sapphire crystal glass backs.