Nomos Glashütte caliber DUW 4601

DUW 4601 in-house built NOMOS caliber with manual winding and a quick-set date function. Movement height 2.8 mm, diameter 15 ⅓ lines (34.6 mm) Power reserve 52 Special qualities Patented date mechanism NOMOS-Swing-System Blued balance spring Skeletonized balance cock Sstop-seconds mechanism Glashütte three-quarter plate DUW regulation system Adjusted in six positions, 23 jewels tempered, blue screws, rhodium-plated surfaces with fine sunbeam ribbing and NOMOS perlage, Glashütte sunburst on ratchet and crown wheel, gold-plated engravings