Nomos Glashütte Tetra Tetra Neomatik 39 175 Years Watchmaking Glashütte Black

Reference 421.S4

About this watch

The Nomos Glashütte Tetra 421.S4 is an exceptional timepiece that embodies the perfect blend of innovative technology, stunning design, and timeless craftsmanship. Its slim profile, measuring only 3.2 mm tall, showcases the brand's dedication to innovation with its automatic movement featuring the NOMOS swing system. The watch's square shape, measuring 33.00 mm in diameter and 7.20 mm in height, sits comfortably on the wrist, while the lug width of 20.00 mm ensures versatility in strap options. Crafted from durable stainless steel, this timepiece boasts scratch-resistant sapphire glass and a glossy black finish that enhances its aesthetics. The index markers are mixed, providing a unique look that sets it apart from traditional designs. With exceptional craftsmanship, including Glashütte characteristics such as the three-quarter plate, Glashütte ribbing, and tempered blue screws, this watch is a statement piece that celebrates 175 years of watchmaking in Glashütte.
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Key Features

  • Automatic movement with NOMOS swing system
  • Slim profile measuring 3.2 mm tall
  • Stainless steel case with scratch-resistant sapphire glass
  • Glashütte characteristics, including three-quarter plate and tempered blue screws
  • 30-meter water resistance for everyday wear
  • Analog display with hours, minutes, and small seconds
  • 42-hour power reserve and 21,600 vibrations per hour

Specifications

Brand
Nomos Glashütte
Family
Tetra
Model
Tetra Neomatik 39 175 Years Watchmaking Glashütte Black
Reference
421.S4
Movement
duw-3001
Movement Features
  • Hours, Minutes, Small Seconds
Case
Stainless Steel 33mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
30

Current Listings

[WTS] Nomos Tetra ref 401 *priced to fly

Nomos Tetra ref 401 *priced to fly

Nomos - 401 · $825
Up for grabs is a Nomos Tetra 27.5mm with a solid caseback and that charming paper-like "beige" dial with blue hands.

  • Condition: Pre-owned/serviced in 2021
  • Diameter: 27.5mm
  • Weight: 28.5 grams
  • Movement: In-house Alpha movement
Posted at
Aug 20, 2025, 8:15 PM
Active
[WTS] Nomos Tetra 27.5mm

Nomos Tetra 27.5mm

Nomos - Tetra 27.5mm · $850
A Nomos Tetra 27.5mm with a solid caseback and beige dial, featuring the cleaner ‘Germany’ dial with blue hands.

  • Dial variant: cleaner 'Germany' dial
  • Production period: 2005-2010
  • Movement: in-house Alpha movement
Posted at
Aug 13, 2025, 9:54 AM
Active