NOMOS Glashütte Tetra Nachtijall

The NOMOS Tetra Nachtijall, reference 490, has a 29.5 x 29.5 mm steel case. The hand-wound DUW 4001 calibre has up to 53 hours of power reserve, with the NOMOS swing system and DUW regulation system. A deep blue dial has gold hands, sans-serif numerals and a small seconds sub-dial. The square case measures 6.5 mm high and 40.5 mm lug-to-lug, and is water resistant to 50 metres. A sapphire crystal case back reveals the movement. The vegan velour strap is velvet gray with remborde construction.