NOMOS Glashütte Tetra Basalt

The NOMOS Tetra Basalt, reference 440.SB, has a square steel case measuring 29.5 x 29.5 mm. An anthracite dial has rhodium-plated hands and a small seconds sub-dial with a yellow hand. The case stands 6.3 mm high and spans 40.5 mm lug-to-lug, with 18 mm between the lugs. The hand-wound DUW 4001 calibre has up to 53 hours of power reserve. The Tetra Basalt is rated for water resistance to 50 metres. The beige vegan velour strap has remborde construction.