The Royal Oak Perpetual Calendar, measuring 41 mm, is showcased in a striking new iteration with a case and bracelet crafted entirely from blue ceramic. This innovative design features a matching blue Grande Tapisserie dial and subdials, evoking the vastness of a starlit sky. The watch includes a glare-proofed sapphire crystal and case back, along with a screw-locked crown. Its blue dial is adorned with a  Grande Tapisserie  pattern, blue counters, and white gold applied hour-markers with Royal Oak hands coated in luminescent material. The blue ceramic bracelet is secured with an AP folding clasp in blackened polished steel.