Royal Oak Perpetual Calendar Ref. 26674ST.OO.1320ST.01

Audemars Piguet Royal Oak 41mm – Stainless Steel, Blue “Grande Tapisserie”

Overview

The Audemars Piguet Royal Oak Ref. 26674ST.OO.1320ST.01 distills the icon’s
design codes into a refined 41 mm steel execution with a blue “Grande Tapisserie” dial
and tone-on-tone subdials. A slim profile and 50 m sealing complete a daily-wearable
configuration with unmistakable Royal Oak presence.

Design & Materials

• Case: Stainless steel, 41 mm diameter, 9.5 mm thickness; glare-proofed sapphire crystal and exhibition caseback.
• Bezel: Signature octagonal bezel with eight hexagonal screws.
• Dial: Blue “Grande Tapisserie” with tone-on-tone subdials; 18-carat white-gold hour-markers and hands with luminescent coating; matching inner bezel.
• Bracelet: Integrated stainless-steel bracelet with AP folding clasp.
• Water Resistance: 50 m.
• Aesthetic: Brushed/polished steel architecture meeting AP’s sharp bevels and seamless integration.

Movement

• Caliber: Selfwinding 7138 (latest-gen ultra-thin architecture).
• Functions: Central time with multi-register calendar layout (tone-on-tone subdials); hacking seconds.
• Finishing: Openworked rotor (view through sapphire back) with haute-horlogerie decorations.

Technical Specifications

• Reference: 26674ST.OO.1320ST.01
• Collection: Royal Oak
• Case: Stainless steel, 41 mm × 9.5 mm
• Dial: Blue “Grande Tapisserie”, WG hands/markers with lume; tone-on-tone subdials
• Crystal: Sapphire (front) & sapphire caseback, anti-reflective
• Bracelet: Integrated steel bracelet, AP folding clasp
• Water Resistance: 50 m
• Condition: New / Unworn (full set availability per point-of-sale)

Prestige & Value

With its slim 9.5 mm profile, blue “Grande Tapisserie” dial and integrated steel bracelet,
this 41 mm Royal Oak delivers the clean, versatile expression collectors expect,
while the latest-generation movement and sapphire back underline its modern watchmaking edge.