Audemars Piguet 26674SG.OO.1320SG.01 Royal Oak Perpetual Calendar Sand Gold Dial Watch

Audemars Piguet Royal Oak Perpetual Calendar “Sand Gold” – Ref. 26674SG.OO.1320SG.01

Introducing the Audemars Piguet Royal Oak Selfwinding Perpetual Calendar “Sand Gold” (Ref. 26674SG.OO.1320SG.01), launched in 2025 as part of the new‑generation Royal Oak Perpetual Calendar line. This 41 mm masterpiece is presented in Audemars Piguet’s innovative 18 k Sand Gold alloy—an exclusive metal that changes hue from warm gold to cool steel tones depending on light. This edition combines modern movement innovation with refined design, making it a truly exceptional timepiece.

Case & Bracelet

• Material: Fully crafted in 18 k Sand Gold, including the octagonal bezel, case, and integrated bracelet—echoing Royal Oak’s sporty-elegant heritage.
• Dimensions: 41 mm diameter, 9.5 mm thickness; a balanced presence on the wrist.
• Water Resistance: Rated to 50 m, an upgrade from previous 20 m ratings due to elimination of recessed pushers.
• Crystal: Anti-reflective sapphire on both front and back for full movement visibility.

Dial & Hands

The dial features Sand Gold‑toned “Grande Tapisserie” with tone‑on‑tone subdials framed by a matching inner bezel. Contrasting black indicators on every hand and subdial ensure exceptional legibility, while white‑gold hour‑markers and Royal Oak hands are filled with luminescent material.

Movement & Functions

• Calibre 7138: A self-winding perpetual calendar movement introduced with this 2025 line. It integrates the 4 Hz base calibre from the 16202 “Jumbo” with a new patented QP module—enabling calendar functions controlled solely via the crown.
• Complications: Displays day, date, month, leap year, ISO week number, and astronomical moonphase.
• Power Reserve: Approximately 55 hours.

Ergonomics & Patented Features

AP introduced three patents with Calibre 7138, allowing full calendar adjustment using only the crown—removing recessed pushers and improving water resistance. This streamlined, intuitive design emphasizes both practicality and aesthetics.

Technical Summary

• Reference: 26674SG.OO.1320SG.01
• Case & Bracelet: 18 k Sand Gold, 41 mm × 9.5 mm, 50 m WR
• Dial: Sand Gold “Grande Tapisserie” with matching subdials and black accents
• Movement: Calibre 7138 automatic, 4 Hz, ~55 h PR
• Complications: Day, date, week, month, leap year, moonphase
• Unique Traits: Sand Gold alloy, crown-only QP control, no recessed correctors

Collector Appeal & Aesthetic Innovation

This 2025 release marks a milestone in Royal Oak evolution—bringing technical innovation and material boldness together. Sand Gold’s chameleon-like finish offers visual versatility, while the house’s new calibre 7138 makes perpetual calendar use more user-friendly. Its seamless design, modern ergonomics, and exclusive alloy make it a must-have for collectors and connoisseurs alike.

Conclusion 26674SG.OO.1320SG.01

The Audemars Piguet Royal Oak Perpetual Calendar “Sand Gold” Ref. 26674SG.OO.1320SG.01 is a technical and aesthetic landmark. With its innovative calibre, patented ergonomics, and Sand Gold construction, it combines horological ingenuity with refined luxury. For collectors seeking bold elegance, modern practicality, and collectible value, this timepiece stands as a superb choice.