Arnold & Son TES Tourbillon (Royal Collection) Limited Edition

Arnold & Son unveils the TES Tourbillon, with the hand-finished A&S8100 calibre with sapphire barrel bridge. This defining timepiece is part of the Royal Collection which combines classic styling with leading edge technology.

Arnold and Son TES Tourbillon (Royal Collection) Limited Edition watch red gold case

The new TES Tourbillon is a modern take on the distinguished “English” movement design: the barrel bridge for instance has the traditional English wave-form but is made out of sapphire to allow a maximum view on the open worked barrel and wheels. The tourbillon and motion-work bridges are classically triangular but are skeletonised.

The combination of sapphire and open-worked bridges gives an incredible depth and three dimensional effect to the watch and thus a modern look. The unique Arnold & Son design is also reflected by the three-spoke wheels.

Arnold and Son TES Tourbillon (Royal Collection) Limited Edition watch red gold case

This same three-spoke design can also be found in the tourbillon cage and the openings in the main plate. The decoration of the main plate is a reminiscence of an old guilloché pattern found on the cases of antique Arnold & Son pocket watches.

The main plate is also skeletonised around the barrel and the tourbillon carriage allowing to look through the movement and therefore through the watch itself.

Arnold and Son TES Tourbillon (Royal Collection) Limited Edition watch red gold case

When compared to more conventional tourbillons found today, the TES model is said to be “inverted”, that is to say most technical elements and visually interesting features are shown on the dial side, when those would normally be hidden on the reverse of the dial. Other typically English technical idiosyncrasies will seduce even the most demanding watch connoisseurs.

Arnold and Son TES Tourbillon movement Calibre A&S8100

Take, for instance, the solid gold chatons or the symmetrical layout of the movement; to achieve such a feat requires overcoming a number of technical challenges. Thus the barrel spring and the tourbillon cage are centred along the watch’s longitudinal axis.

When examining the winding system, one notes the traditional construction, which uses wheels with long and narrow spokes known as wolf’s teeth, used to improve the smoothness of the overall movement.

Arnold and Son TES Tourbillon movement Calibre A&S8100

Every finishing touch on this striking piece, with such movement decoration as hand chamfered bridges and, even more demanding, hand-chamfered wheels with polished edges has been done by hand by Arnold & Son’s master watchmakers, hence bringing more brilliance and depth to each decorative element.

The new TES Tourbillon will be produced in a limited edition of 28 pieces, in a 44 mm 18-carat red gold case with a NAC grey main plate, a sapphire barrel bridge and rose gold treated bridges, individually numbered and engraved.

Technical details

Model: TES Tourbillon
Limited edition: 28 timepieces
Collection: Royal Collection
Reference: 1SJAR.V01A.C112A

Calibre: A&S8100
Exclusive Arnold & Son mechanical tourbillon movement, hand-wound,
19 jewels, diameter 32.6 mm, thickness 6.30 mm, power reserve 80 h,
21,600 vibrations/h

Hours, minutes, tourbillon

Movement decoration
Nickel-silver and sapphire movement, rose gold treated bridges and NAC grey treated main plate with superlative Haute Horlogerie finishing: hand chamfered bridges with polished edges, A&S specific pattern engraved on the main plate, circular satin-finished wheels with hand-chamfered and polished edges, screwed gold chatons, mirror-polished tourbillon cage and bridge, screws with bevelled and mirror-polished heads

Anthracite open dial

18-carat red gold, diameter 44 mm, cambered sapphire with anti-reflective coating on both sides, case back see-through sapphire, water-resistant to 30 m

Hand-stitched black or brown alligator leather

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