Nomos Caliber Duw5001

NOMOS Caliber DUW 5001

Nomos Caliber Duw5001

Brand NOMOS Glashütte
Caliber Number DUW 5001, DUW5001
In-House?
Yes
Movement Type Automatic
Chronometer?
Yes
COSC?
No
Linges
13 3/4”’
Diameter
31mm
Height
4.3mm thick
Winding Direction Bi-directional
Jewels 26
Power Reserve 43 hours
Vibrations Per Hour 21,600 bph, 3 Hz (unconfirmed)
Hacking? Yes
Shock System Incabloc
Finish Blued screws, blues hairspring, rhodium plated, Glashütte ribbing and NOMOS perlage, Glashütte sunburst
Features
NOMOS Swing System, Glashütte stopwork, adjusted in six positions
Functions Hours, minutes, small seconds at 6:00
Country of Manufacture Germany
Known Models Ludwig Automatic (251), Ahoi (555 / 550 / 552), Tangomat (641 / 601 / 603 / 601.S13 / 641.S1), Club Automatic (751 /753), Club 175th Anniversary Edition (753.S1 / 753.S2 / 753.S3)

The NOMOS Glashutte caliber DUW 5001 is an in-house automatic movement with 26 jewels, made in Germany. The DUW 5001 is based on the NOMOS Epsilon which was the first automatic movement to be produced in-house by NOMOS starting in 2005. The DUW 5001 was introduced in 2018 as evolution in the brand’s line of automatics.

Nomos Caliber Duw 5001

From NOMOS:

“A reliable pacesetter for the larger automatic watches from NOMOS Glashütte, highly praised for its outstanding winding rate: DUW 5001 stands for excellent accuracy, a great deal of craftsmanship, Glashütte heritage—and a dash of independence. Since the pace is set by the renowned NOMOS swing system.” –source

Some of the topics covered in this caliber listing:

Chronometer?

Although not COSC certified, NOMOS claims that each watch with the caliber DUW 5001 movement is adjusted according to chronometer standards. The word chronometer is not used on the movement or the dial, but the brand seems to want accuracy to be expected with their products, therefore not necessary to imply on the watch itself.

Swing System:

The DUW 5001 is equipped with the proprietary NOMOS Swing System escapement. This is the brand’s own in-house design/invention. When mentioning their Swing System in marketing materials, NOMOS uses the word “independence” frequently. This part appears to be the brand’s freedom from escape(ment) from dependency on parts from the Swiss conglomerates.

Dial Side:

Nomos Caliber Duw5001 Front

Examples of watches with caliber DUW 5001:

Additional Resources:

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