About this caliber
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
Technical details
- Movement
- -
- Display
- Analog
- Jewels
- 23
- Power reserve
- 42 hours
- Frequency
- 21,600 vph (3.0 Hz)
- Hands
- Hands: Hours, Minutes, Small Seconds
Power Reserve Indicator
- Diameter
- 34.6 mm
- Height
- -
- Parts
- -