NOMOS Glashütte Tetra

The NOMOS Tetra, reference 408, has a square steel case measuring 29.5 x 29.5 mm. A white silver-plated dial has tempered blue hands, sans serif numerals and a small seconds sub-dial. The case is 6.3 mm high and measures 40.5 mm lug-to-lug, with water resistance rated at 50 metres. The hand-wound DUW 4001 calibre has up to 53 hours of power reserve. The movement includes the NOMOS swing system and the DUW regulation system. The strap is black Horween Shell Cordovan leather.