The NOMOS Tetra Salvia 439 features a 29.5 mm square stainless steel case with a sage green dial. It is powered by the manual-winding DUW 4001 caliber, offering a power reserve of up to 53 hours. The watch includes a sub-seconds dial with light blue and yellow accents, rhodium-plated hands, and a turquoise seconds hand. It is water-resistant up to 5 ATM and comes with a beige vegan velour strap. Reference number: 439.