Nomos Glashütte Tetra Tetra Die Unerreichbare / Open Case Back

Reference 477

About this watch

The Nomos Glashütte - 477 Tetra Die Unerreichbare / Open Case Back is a stunning representation of German craftsmanship, blending modern design and traditional watchmaking techniques. This timepiece embodies elegance and precision, featuring an in-house movement, stainless steel case, and sapphire crystal. The square shape and sunburst finish on the silver dial create a mesmerizing effect, while the minimalist layout with mixed indexes makes it easy to read. The open case back allows you to admire the intricate movement within, and the lightweight design ensures comfort on the wrist. With its in-house movement, exceptional quality, and timeless design, this watch offers great value for what you get. It's an investment that will stand the test of time, a piece of German engineering that's priceless.
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Key Features

  • Nomos Glashütte caliber Alpha movement
  • Stainless steel case with sapphire crystal
  • Square shape and sunburst finish on silver dial
  • In-house movement with excellent reliability
  • Open case back to admire the movement
  • Lightweight design for comfort on the wrist
  • 30 meters water resistance

Specifications

Brand
Nomos Glashütte
Family
Tetra
Model
Tetra Die Unerreichbare / Open Case Back
Reference
477
Movement
alpha
Movement Features
  • Hours, Minutes, Small Seconds
Case
Stainless Steel 27.5mm
Dial Color
Silver
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