Nomos

Tangomat ruthenium 603/801/164

38.3mmCurrent Production

Description Large, dark, mysterious—the black dial of this watch is coated with ruthenium, a metal in the platinum group, which makes the light-colored numerals and hands pop. The view through the sapphire crystal glass back is also beautiful: rubies, tempered blue screws, and the renowned Glashütte polishings decorate the NOMOS DUW 5001 caliber in the most wonderful way. Discover watch family ...

Source: NOMOS website, last updated Mar 2026

Specifications

Case Diameter38.3mm

Case Thickness8.3mm

Case Materialstainless steel

Crystalsapphire

Lug Width20mm

CaliberDUW 5001

Water Resistance30m

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