Tuesday, June 13, 2023

Rudis Sylva – RS23 Harmonious Oscillator Edition

Rudis SylvaRS23 Harmonious Oscillator  - Unique Limited Edition 2023

"An invention as important as the Breguet Tourbillon"
"Better than a Tourbillon"
"The Tourbillon reference"


These are just some of the comments from master watchmakers and industry journalists since the Harmonious Oscillator was created!

  Click, to see the large size. BIG FOTO  

This patented invention with two toothed balances immediately cancels out the effects of gravity when a watch is in the vertical position, unlike a conventional Tourbillon, which needs a whole minute to do so.

  Click, to see the large size. BIG FOTO  

Hailing from the Jura Arc, the brand unveiled its invention at Baselworld in 2009. Watch enthusiasts rushed to discover this toothed-balance movement, which is based on technology that goes against all established watchmaking theories. An examination of this revolutionary device reveals the subtlety of the system with two balance-springs which are set in opposition and deploy in turn.

The negative chronometric value of one spring balance is compensated for simultaneously by the positive value of the other spring balance, which totally cancels out the effect of the Earth's gravity on the precision of the watch.

RS 23, the natural next step for the Harmonious Oscillator
 
Today, Rudis Sylva is launching a simplified version of the Harmonious Oscillator which is, nonetheless, equally effective in terms of combating gravity.

  Click, to see the large size. BIG FOTO  

The toothed, geared balances are fixed and no longer rotate once per minute in a 360-degree cage as in the "Tourbillon" version.

This simpler execution with two connected balances also allows all chronometric anomalies caused by the Earth's gravitational pull to be cancelled out simultaneously, and therefore remains more precise than a conventional Tourbillon which needs 60 seconds to compensate for the effects of gravity.
 
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Diagram appended


Rudis Sylva, a name with Latin roots
 
Rudis Sylva, a name with Latin roots Rudis from Ruedin Jean, the pioneer born in Franches-Montagnes around 1400, and Sylva, the forest.

Rudis Sylva is the old name for the Swiss village of Les Bois in the Franches-Montagnes district, 12 km from La Chaux-de-Fonds. In 1900, some 600 of its 1450 inhabitants were watchmakers! The first recorded watchmakers in the village date to 1750. The most well-known of these are the Clémence and Baume families, who opened stores in London to sell their products, which included timepieces with chimes. The Rudis Sylvains – as inhabitants of the village Les Bois were known – passed on their watchmaking expertise throughout the Jura area over many centuries.

Exceptional finishes

The Harmonious Oscillator is a patented movement developed solely by the brand. Whilst the movements are, first and foremost, technical by nature, they are also all decorated by hand, showcasing the skills practised by the craftspeople of the Jura for centuries. When the brand was created, it was the regional expertise that was showcased rather than that of any specific watchmaker.

  Click, to see the large size. BIG FOTO 

A Rudis Sylva watch merits a magnifying glass!

This reveals the magnificence of the guilloche work, engraving, bevelling in the inward corners, sunray or circular graining decoration and the other finishes that enhance the Harmonious Oscillator.

Guilloche work

Hand guilloche work has been showcased since the very first Rudis Sylva collection in 2009. The ever-decreasing pyramids designed by Georges Brodbeck, another neighbour from Franches-Montagnes, are extremely difficult to create, and lend prestige and elegance to the RS 10, RS 12 and RS 16 collections.

  Click, to see the large size.    BIG FOTO  

The “Legendary Brodbeck”, as he was affectionately known by his colleagues at the Technicum in La Chaux-de-Fonds (who claimed he was such a gifted engineer that he could dismantle then reassemble his moped during break time), has created a “flinqué” decoration for the RS 23 collection.

  Click, to see the large size. BIG FOTO 

This particular type of guilloche work is created with a special turning engine equipped with various roses which enable a multitude of decorations to be made. This finish is used to enhance the bridge of the Harmonious Oscillator. .

  Click, to see the large size. BIG FOTO 

The engraving is done by hand and using an endmill; the bridges are also hand-bevelled and, apart from the escapement, the barrel springs and the jewels, all the components are machined expressly for the Rudis Sylva calibre.

Rudis Sylva, utterly different and utterly exclusive!

The Jura-based brand is a lesser-known – an exceptionally exclusive – gem! Its DNA has roots in numerous sources:

The name of the brand comes from the village of Les Bois, located in the cradle of Swiss watchmaking, where several of the industry’s leading lights were born. We can cite the Baumes (which became Baume & Mercier), the Clémences, owners of stores in London, the Huots, which became Nivarox-Far, the Baumanns, which became ETA, and other families famous far and wide.

  Click, to see the large size. BIG FOTO 

The Harmonious Oscillator, developed and made more reliable between 2006 and 2010, has been patented and garnered huge acclaim from master watchmakers. It is considered by some as a key invention in the quest for accuracy.

  Click, to see the large size. BIG FOTO 

Rudis Sylva decided to develop its movement in its entirety. It is rare for independent brands to create an entire movement. They generally purchase a base calibre that they transform, using an existing mechanism with tried and tested reliability.

  Click, to see the large size. BIG FOTO  

Those involved with the brand are native to the cradle of watchmaking and can rely on a network of renowned skills. They are the descendants of the region’s “watchmaking farmers” or “window watchmakers”, as they used to be known; they are humble by nature, and are driven by a never-ending quest for true craftsmanship.

 Watches and Wonders 2023

The new RS 23 was unveiled at the Watches and Wonders trade fair which the brand attended for the second time. Within the "Carré des Horlogers", an environment conducive to innovation, Rudis Sylva was able to allow its hosts to discover a Harmonious Oscillator that was different to – yet as appealing as – the previous models.

  Click, to see the large size. BIG FOTO  

Almost 15 years on from the launch of its first timepiece, the brand has created a new simplified version that is just as appealing as the previous models.

  Click, to see the large size. BIG FOTO  

The RS 23 collection is available in a rose gold or titanium case, and is released in a limited edition of 8 pieces of each.

The finishes are "Haute Horlogerie" grade, and the eclectic clientèle will find in this timepiece all the design codes showcased since the brand was launched and mentioned above.

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Technical Specifications

Collection:  RS23

Reference:  RS 23 Harmonious Oscillator

Movement
Oscillator bridge decoration: hand guilloché, flinqué
Movement: Harmonious Oscillator, fixed balances
Dimensions: h. 7.78 mm / w. 39.55 mm
Winding: manual, 49 crown revolutions
Power reserve: about 72 hours 
Manufacture: made by Rudis Sylva
Technical specification: second stop
Harmonious Oscillator: system unique worldwide, patent no. 700747
Balances: toothed, interlinked, ensuring the same amplitude
Escapement: only 1 with 1 pallet fork positioned at 90 degrees
Frequency: 21'600vibrations/hour(3 Hz)
Balance-spring symmetry and energy: constantly opposed
Vertical gravity correction: instantaneous eliminating the effect of gravity 
Movement finishes: “haute horlogerie” finishing
Main plate: sand decorated and bevelled by hand
Finishes: Haute Horlogerie finishing
Bridges: hand-decorated, bevelling, sanding
Gear train: circular graining, diamond-polished corners
Barrel drum: snailed
Rudis Sylva bridge: brushing and bevelling, 1 inward corner
Balance cock over the Oscillator: brushing and bevelling, 1 inward corner
Main plate: sand decorated and bevelled by hand
Oscillator bridge decoration: hand guilloché, flinqué
Case
Rose Gold or Titanium
Width: 44 mm
Height with glass box: 12.9 mm
Case finish: polished and vertical brushed
Inter-horn distance: 23 mm
Back: Rose Gold or Titanium, Screwed
Engraving: pink gold or titanium, screwed by hand and boring cutter
Decoration: sand finished, galvanic grey or braun treatment
Crown: rose gold or titanium with engraved logo
Brand logo: 3 fir trees on 3 mountains
Logo symbolism: settling of the Jura by clearing, around 1350
Hands: Brass
Decoration: rose gold 5N plated
Strap
Real alligator, large scales with tassel, braun / black
Buckle: tongue rose gold 18 cts or titanium


🔰Edition:  ❱❱❱  Limited edition 2 x 8 pieces 

🔴 Price : 💰
  • Rose gold : 90'000.- CHF
  • Titanium 80'000.- CHF
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Rudis Sylva 
Le Boéchet 10
CH-2336 Les Bois
info@rudissylva.com
+41 32 961 19 58
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www.facebook.com - Rudis.Sylva
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www.RudisSylva.ch

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