NOMOS Glashütte DUW 4601

The DUW-4601 is an in-house manual-winding caliber from NOMOS Glashütte, measuring 34.6 mm in diameter and 2.8 mm thick. It operates at 21,600 vph with a 52-hour power reserve and features a quickset date mechanism alongside the proprietary NOMOS-Swing-System escapement. The movement includes a blued balance spring, stop-seconds function, and Glashütte three-quarter plate, with finishing that encompasses rhodium-plated surfaces, fine sunbeam ribbing, NOMOS perlage, and blue screws. Adjusted in six positions with 23 jewels, the caliber remains in production.