NOMOS Glashütte Tetra Ochra

The NOMOS Tetra Ochra, reference 437.SB, has a square steel case. The hand-wound DUW 4001 calibre has up to 53 hours of power reserve and the NOMOS swing system. The case measures 29.5 x 29.5 mm, stands 6.3 mm high and spans 40.5 mm lug-to-lug. The Tetra Ochra is rated for water resistance to 50 metres. The beige vegan velour strap has a remborde finish. A sapphire crystal covers the ocher yellow dial, with rhodium-plated hands and a yellow hand on the small seconds sub-dial.