Nomos Glashutte Watch Tetra Goldelse Sapphire Crystal 491. It always sets the tone, and the current trend as well. In a shimmering rose gold with a brushed finish, the Tetra model Goldelse is confident in its charming case. Inspired by Berlins tallest lady, standing proudly at the heart of Tiergarten park, and also of the finest caliber, even in the places that are barely visible: Behind the sapphire crystal glass back, the NOMOS Alpha movement is ticking away.