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by Audemars Piguet

Audemars Piguet Royal Oak Perpetual Calendar Ultra-Thin 26586XT.OO.1240XT.01

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A dial shaped by the reference’s material contrasts gives the Audemars Piguet Royal Oak 26586XT.OO.1240XT.01 its distinctive character. The 41 mm case combines titanium and bulk metallic glass with the proportions of the Royal Oak collection. The perpetual calendar brings its calendar indications into a single dial arrangement.

Selfwinding Calibre 5133 provides a 40-hour power reserve. The functions include date, day, month, leap year, perpetual calendar, moon phase.

A titanium and bulk metallic glass bracelet completes the watch, secured by a folding clasp.

Technical details

  • Reference: 26586XT.OO.1240XT.01
  • Collection: Royal Oak
  • Model: Perpetual Calendar Ultra-Thin
  • Case: The 41 mm case in titanium features a bezel and caseback in Bulk Metallic Glass (BMG), a glareproofed sapphire crystal and caseback. The timepiece is water-resistant to 20 m.
  • Case size: 41 mm
  • Case thickness: 6.2 mm
  • Dial: The rose gold-toned sunburst dial is complemented by tone-on-tone subdials, 18-carat white gold hands and hour-markers filled with luminescent material, and a silver grey-toned inner bezel.
  • Bracelet / strap: The titanium integrated bracelet with BMG links is fitted with an AP folding clasp.
  • Movement: Automatic
  • Calibre: 5133
  • Functions: Perpetual calendar with day, date, astronomical moon, month, leap year, night and day indication, hours and minutes.
  • Power reserve: 40 hours
  • Jewels: 37
  • Water resistance: 20 m
  • Movement components: 256

Case size: 41mm

Case material: Titanium / Bulk Metallic Glass

Strap material: Titanium / Bulk Metallic Glass

Functions: Hours / Minutes / Date / Day / Month / Leap Year / Perpetual Calendar / Moon Phase

Caliber: 5133

Power reserve: 40 hours

Movement: Automatic

Water resistance: 20m/2 bar

Buckle type: Folding Clasp

Case back: Open

At Prestige Calibers, we stand behind every timepiece we sell. When you purchase a watch from us, you can be confident in both its authenticity and excellent condition.

Before any watch reaches you, it undergoes a thorough inspection and verification process by our in-house experts to ensure it is 100% genuine and in flawless working order.

We offer a two-year warranty on all pre-owned watches. This covers any mechanical issues that are not caused by improper use or accidental damage. If you experience a problem with your timepiece under these conditions, we will provide the necessary professional maintenance at no cost to you.

Our warranty reflects our deep confidence in the quality and reliability of the watches we offer. It’s not just a service - it’s our promise to you. We take full responsibility for the products we deliver, and we’re proud to offer you true peace of mind with every purchase.

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Since 2012, we have specialized in genuine luxury watches, helping clients source authentic timepieces through a reliable network of trusted suppliers and tested traders. This allows us to present competitive offers across a wide selection of luxury watch models while maintaining high standards of service, transparency, and client support.

Our approach is built on authenticity and trust. Every watch is handled with close attention, and we welcome all reasonable verification procedures, including independent checks and third-party inspections. For us, client confidence is just as important as the watch itself.

In addition to sales, we also provide luxury watch buying and trade-in services, giving our clients the opportunity to sell, upgrade, or exchange their watches with professional support. With access to more than 1,500 tested traders, we are able to respond to different sourcing requests efficiently. Each customer is assisted by a personal manager available 24/7, ensuring clear communication and a smooth experience at every stage.