Roger Dubuis revealed the Excalibur Double Tourbillon and Excalibur Monobalancier with striking black ceramic cases. The Swiss watch manufacturer’s ceramic is solidly black inside and out, four times harder than stainless steel.
Roger Dubuis succeeded in taking ceramic from raw form to the distinctive case. The process begins with a blend of powders made of Zirconia combined with 3% stabilizing Yttrium resulting in its hyper-resistant hardness. The engineers transform these powders first into a blank and then through a machining process six times lengthier than the standard. The subsequent sintering and heating takes up to 48 hours. The final stage involves hand-finishing this immensely hard material, which demands extreme craftsmanship and meticulous care to conquer. This step achieves an immutably bold black finish.
Launched last year, the Excalibur Double Tourbillon is now offered in radiant black ceramic. Housed within this new ceramic case, the RD108 caliber and its two signature tourbillons are rebuilt with lighter materials. This ultimately optimizes the power reserve to 72 hours. The Roger Dubuis star levitates freely above the barrel. Clean cut lines on both the 45mm case and movement make it look and feel thinner This dynamic aesthetic is amplified by its decorations, hand-finished with precision and rewarded with the Poinçon de Geneve. The timepiece is a limited edition of only 28 models that are available with a black calf-leather strap fitted with versatile Quick Release System.
For Watches & Wonders 2022, Roger Dubuis presented its enhanced Excalibur Monobalancier, completed with a series of mechanical and aesthetic improvements. Now, the Maison unveils the radiant black ceramic Excalibur Monobalancier. The watch is fitted with an automatic RD 720SQ caliber and boasts a power reserve of 72 hours. The 42mm timepiece is designed with clean cut lines, fluted bezel, and sharp notches, while the signature star is reshaped to levitate freely above the barrel. It features sand blasted, satin brushed surfaces, and polished angles, all of which are certified by the prestigious Poinçon de Genève. An embossed black calf-leather strap featuring a patented Quick Release System ensures ultimate versatility.
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