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1. The armchair seat shell is extended to pelvic height. This ensures an ergonomic sitting posture.

2. If you lean backwards, only the upper part of the backrest moves backwards. This provides gentle support to the spine, and the chest opens automatically. This creates a liberating seating comfort.

3. In addition to the backrest, the seat shell automatically tilts backwards to achieve an even better lying and relaxing position. This innovative movement mechanism is patented.

DS-343

Design by
de Sede Design-Team
and
Bart Van der Heyden

A designer armchair that moves with the person seated The DS-343 wing chair not only marks a simple design object’s arrival in the living space; it also creates a completely new culture of sitting. DS-343 is based on a patented seat study developed over the last two decades by seat expert and physical therapist Bart Van der Heyden.
 
DS-343 is an armchair that moves with the movements of the person seated. Its mantra is to permit and even encourage changes in posture. The chair is not constructed with a classic seating surface that stops at the backrest; instead, it extends up to the height of the pelvis. If one leans backwards, the backrest element, from pelvic height on up, automatically moves along with the user – without any mechanical effort, and solely as a result of the change in the posture of the person seated. The changed backrest position automatically leads to improved posture. This is how the DS-343 offers extraordinarily active and pleasant seating comfort in the long term.
And the design is equal to this intelligent seating concept: the silhouette of the wing chair is defined by the skillful folding of the leather. Dimensionally stable NECK leather in thicknesses of up to 5 mm is processed with such finesse that it cascades continuously over the edges – for an incomparable leather experience. 

The side table DS-343 is admirable from all sides. The round tabletop is available in a variety of materials: in wood, in DS-TELA mixtures of stone and metal materials, or in high-quality marble. The table base, designed with stylish edging, is a highlight and available in a wide range of materials, from matte to chrome-plated.

DS-343 Functions
Watch on Youtube

Article

  • DS-0343/05
  • DS-0343/01
  • DS-0343/61
  • DS-0343/21
All available articles

Dimensions

Material & colors chairs

  • NECK

NECK

Type

Natural Nappa leather

Thickness

up to 5 mm

Characteristics

An innate natural quality with an incomparably distinctive, even rustic, aura; it is a true eye-catcher – simply incomparable. A cover made from NECK requires an entire section of hide for each back, side and seating element. When joined, it creates a so-called optical stitch seam: a piece of art from de Sede craftspeople that requires unsurpassed skill.

cuoio
teak
1054_whisky whisky
1077_cigarro cigarro
1041_paris paris
rubin
schiefer
umbra
1011_black black

Material & colors tables

  • STONE
  • TELA

STONE

Thickness 20 mm

Characteristics

Precious, sophisticated materials such as marble, granite and quartz can be processed in all thicknesses and in various surface finishes, individually adapted to any object size. Produced and refined with the latest technologies and the highest quality craftsmanship.

Calacatta Oro
Star Dust
Sahara Noir
Rosso Lepanto
Verde Guatemala
Green Botanic
Beola (indoor / semi-outdoor)
Labrador Antique (indoor / semi-outdoor)

TELA

The surfaces of TELA are coated with mixtures of stone or metal. Due to an intelligent and meticulously designed mix of materials the finished table tops function as a canvas to play on.

metal brass
metal iron
marble carrara
stone coral
stone jade
stone lapislazuli
marble beligan blue
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