The Basics

While at first glance the Tetra may seem like ‘simply’ a square version of the Tangente, there are actually a few other changes that give this watch its own personality. Did you ever notice the change in the numerals, or the Art Deco’esque stepped lugs? Reference 401 has a case of 27.5*27.5mm and a stainless steel back. It is powered by the hand-wound Alpha caliber.

Brand: Nomos Glashütte
Family: Tetra
Reference: 401
Name: Tetra 27
Produced: N/A
Limited: No

Below is a detailed look at Nomos Glashütte’s model 401 from Tetra watch family, including the price, case details and movement features.

Nomos Glashütte Tetra 401

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The Details

Nomos Glashütte’s Tetra 27 (401) was originally released in N/A. This watch features a hand-wound movement beating at a frequency of 21600 bph ( 3 Hz) to provide a 43-hour power reserve when fully wound.

The Case

The stainless steel case measures 27.5mm in diameter and roughly 6.05mm thick, with 18mm lug width. The square case is paired with a white color dial with stick-shaped hands, and a mixed hour markers and minute track, covered by a sapphire glass. Nomos Glashütte’s Tetra model 401 is water resistant up to 30 meters (98 ft). A solid caseback is over the back of the watch case.

Material: Stainless steel
Glass: Sapphire
Back: Solid
Shape: Square
Diameter: 27.5mm
Height: 6.05mm
Lug Width: 18mm
W/R: 30

Case Diameter

Case Thickness

Lug Width

Water Resistance

The Movement

The Tetra 401 movement is a powered by caliber Alpha made by Nomos Glashütte. The 17-jewel hand-wound movement is 23.3mm in diameter. Its balance wheel oscillates at 21,600 semi-oscillations per hour or 3 Hz. This movement offers a 43-hour power reserve.

Type: Hand-Wound
Brand: Nomos Glashütte
Caliber: Alpha
Base: N/A
Display: Analog
Diameter: 23.3mm
Jewels: 17
Reserve: 43 hours
Frequency: 21600 bph
Time: Hours, Minutes, Small Seconds
Chronograph:
Additionals:

The Price

How much does the Nomos Glashütte’s Tetra 401 cost? This watch was introduced in N/A and has been in Nomos Glashütte’s collection for around . This watch is not a limited release. As with most luxury watches, the price of depends on the availability and demand.

CURRENT PRICE: $1,520

For more information, visit Nomos Glashütte online.

Specifications:

  • Brand: Nomos Glashütte
  • Model: Tetra 27
  • Reference Number: 401
  • Limited: No

Case & Dial:

  • Material: Stainless steel
  • Glass: Sapphire
  • Back: Solid
  • Diameter: 27.5
  • Thickness: 6.05
  • Lug Width: 18
  • Dial Color: White
  • Indexes: Mixed and Stick-shaped hands
  • Water Resistance: 30 meters

Movement:

  • Winding: Hand-Wound
  • Brand: Nomos Glashütte
  • Caliber: Alpha
  • Display: Analog
  • Diameter: 23.3mm
  • Jewels: 17
  • Power Reserve: 43 hours
  • Frequency: 21600 bph
  • Functions: Hours, Minutes, Small Seconds

About Nomos Glashütte

Nomos Glashütte logo

NOMOS Glashütte was founded shortly after German reunification in 1990 by Roland Schwertner. Their Bauhaus-style watches were originally designed by Susanne Günther and have won multiple design awards.

Nomos Glashütte Watches

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