Technical Archive

Nomos Glashütte
Tetra 421.S1— lug 20mm

Cinturini 20mm per Nomos Glashütte Tetra 421.S1. Alligatore, vitello, NATO, gomma. Consegna rapida.

Tetra Neomatik 39 175 Years Watchmaking Glashütte Off White

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Nomos Glashütte 421.S1
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

421.S1

Movement

Nomos Glashütte caliber DUW 3001 Hours, Minutes, Small Seconds

The Heritage

The Tetra represents Nomos Glashütte's square design with Bauhaus inspiration and small seconds at 6 o'clock. It is powered by the manual-winding DUW 3001 caliber with hour, minute and small second functions. The watch features 20mm lug width and construction to German manufacturing standards.