Iconic Audemars Piguet Royal Oak 26715ST | Blue Chronograph
Basic Information
| Specification | Details |
|---|---|
| Brand | Audemars Piguet |
| Collection | Royal Oak |
| Model | Royal Oak Selfwinding Chronograph |
| Full Reference | 26715ST.OO.1356ST.01 |
| Short Reference | 26715ST |
| Variation | Blue Dial / Stainless Steel |
| Listing Code | SF7TM0 |
| Production Year | Unknown |
| Condition | Used – Very Good |
| Wear | Minor Signs of Wear |
| Gender | Men’s / Unisex |
| Availability | In Stock |
| Movement | Automatic |
| Case Material | Stainless Steel |
| Case Diameter | 38mm |
| Dial Color | Blue |
| Bracelet Material | Stainless Steel |
| Original Box | Included |
| Original Papers | Included |
| Presentation | Full Set |
Movement and Caliber
| Specification | Details |
|---|---|
| Movement Type | Mechanical Selfwinding |
| Caliber | Audemars Piguet 2385, as Listed |
| Power Reserve | Approximately 40 Hours |
| Jewels | 37 |
| Frequency | 21,600 vph / 3 Hz, Caliber-Level |
| Chronograph | Yes |
| Date Display | Yes |
| Movement Architecture | Automatic Integrated Chronograph |
| Functions | Hours, Minutes, Small Seconds, Chronograph, Date |
Case
| Specification | Details |
|---|---|
| Case Material | Stainless Steel |
| Bezel Material | Stainless Steel |
| Case Shape | Royal Oak Octagonal Bezel |
| Case Diameter | 38mm |
| Case Thickness | To Be Verified |
| Crystal | Sapphire |
| Caseback | To Be Verified |
| Water Resistance | 50m / 5 ATM, Original Rating |
| Case Condition | Used – Very Good |
Dial
| Specification | Details |
|---|---|
| Dial Color | Blue |
| Dial Pattern | Grande Tapisserie, Model-Level |
| Dial Numerals | No Numerals |
| Hour Markers | Applied Baton-Style, Model-Level |
| Hands | Baton-Style, Model-Level |
| Chronograph Counters | Yes |
| Small Seconds | Yes |
| Date Window | Yes |
| Dial Configuration | Verify Against Exact Reference |
Bracelet / Clasp
| Specification | Details |
|---|---|
| Bracelet Material | Stainless Steel |
| Bracelet Color | Steel / Silver |
| Bracelet Style | Integrated Royal Oak |
| Clasp Type | Folding |
| Clasp Material | Stainless Steel |
| Bracelet Length | Not Provided |
Functions
-
Hours and minutes
-
Small seconds
-
Automatic winding
-
Chronograph timing
-
Date display
Included Accessories
| Accessory | Details |
|---|---|
| Original Audemars Piguet Box | Included |
| Original Audemars Piguet Papers | Included |
| Integrated Steel Bracelet | Included |
| Presentation | Full Set |
Audemars Piguet Royal Oak 26715ST – Blue Dial Chronograph
The Audemars Piguet Royal Oak 26715ST is an elegant expression of contemporary Swiss watchmaking, combining the iconic Royal Oak design with the technical sophistication of an automatic chronograph. Featuring a 38mm stainless steel case, striking blue Grande Tapisserie dial, and integrated steel bracelet, this timepiece offers a refined balance of luxury, precision, and everyday versatility.
Powered by the Audemars Piguet self-winding caliber 2385, the watch incorporates chronograph functionality, a date display, and approximately 40 hours of power reserve.
This example is presented in very good pre-owned condition, showing minor signs of wear, and is accompanied by its original Audemars Piguet box and papers. Its production year has not been specified.
The Iconic Royal Oak Chronograph Collection
The Audemars Piguet Royal Oak 26715ST belongs to the legendary Royal Oak collection, originally introduced in 1972.
Designed by Gérald Genta, the Royal Oak revolutionized luxury watchmaking with its stainless steel construction, octagonal bezel, exposed screws, and integrated bracelet.
The Royal Oak Chronograph extends this celebrated design philosophy by incorporating a sophisticated mechanical timing complication.
The reference 26715ST preserves the architectural elegance of the original Royal Oak while introducing contemporary proportions and chronograph functionality.
Refined 38mm Stainless Steel Case
The Audemars Piguet Royal Oak 26715ST features a beautifully proportioned 38mm stainless steel case.
Its distinctive octagonal bezel is secured by eight exposed hexagonal screws, creating the geometric appearance associated with the Royal Oak collection.
The case incorporates contrasting brushed and polished surfaces, highlighting its sharp edges and carefully executed transitions.
With a reference-level thickness of approximately 11mm, the watch maintains a balanced profile while accommodating its automatic chronograph movement.
The 38mm dimensions offer a versatile alternative to larger sports chronographs.
Iconic Bleu Nuit, Nuage 50 Dial
One of the most distinctive characteristics of the Audemars Piguet Royal Oak 26715ST is its blue dial, finished in the celebrated Bleu Nuit, Nuage 50 shade.
This historic color recalls the original Royal Oak aesthetic and gives the watch a sophisticated, recognizable appearance.
The dial features Audemars Piguet’s signature Grande Tapisserie pattern, creating a textured geometric surface that interacts beautifully with light.
Matching blue chronograph counters complement the main dial, while applied white gold hour markers and luminescent Royal Oak hands enhance readability.
The combination of color, texture, and balanced subdial placement creates a refined and technically expressive design.
Selfwinding Caliber 2385
At the heart of the Audemars Piguet Royal Oak 26715ST is the manufacture’s automatic caliber 2385.
This sophisticated chronograph movement incorporates 304 components and 37 jewels, operating at 21,600 vibrations per hour, equivalent to 3 Hz.
The movement provides approximately 40 hours of power reserve and combines traditional mechanical timekeeping with integrated chronograph functionality.
Its construction reflects the precision and craftsmanship associated with Audemars Piguet’s complicated sports watches.
The automatic winding mechanism replenishes the mainspring through the natural movement of the wrist.
Precision Chronograph Functionality
The Audemars Piguet Royal Oak 26715ST incorporates a mechanical chronograph designed to measure elapsed time.
Dedicated pushers allow the wearer to start, stop, and reset the chronograph, while the subdials provide additional timing indications.
The chronograph function introduces a dynamic technical dimension to the classic Royal Oak design.
Its carefully arranged counters preserve the dial’s visual balance while offering practical timing functionality.
The combination of an automatic chronograph and the Royal Oak’s distinctive architecture makes this reference particularly appealing to enthusiasts of sophisticated mechanical sports watches.
Practical Date and Small Seconds Displays
The Audemars Piguet Royal Oak 26715ST includes a date indication positioned between 4 and 5 o’clock.
This practical complication complements the watch’s hours, minutes, and small seconds displays.
The small seconds counter provides a continuous indication of the movement’s operation, while the chronograph counters remain dedicated to elapsed-time measurement.
The layout balances everyday functionality with the intricate appearance expected from a high-end mechanical chronograph.
Integrated Stainless Steel Bracelet
The Audemars Piguet Royal Oak 26715ST is fitted with the collection’s signature integrated stainless steel bracelet.
Its articulated links feature alternating brushed surfaces and polished bevels, creating a seamless visual transition between the case and bracelet.
The bracelet’s distinctive construction is one of the Royal Oak’s defining design elements.
An Audemars Piguet folding clasp completes the bracelet, maintaining the watch’s cohesive stainless steel appearance.
The combination of refined finishing and integrated construction contributes to its sophisticated wrist presence.
Sapphire Crystal and Water Resistance
The Audemars Piguet Royal Oak 26715ST features a glare-resistant sapphire crystal designed to protect its intricate blue dial.
The case incorporates a screw-locked crown and carries an original manufacturer’s water-resistance rating of 50 meters.
These elements contribute to the watch’s practical construction while preserving the Royal Oak’s refined proportions.
For a pre-owned timepiece, current water resistance should be confirmed through professional pressure testing before exposure to water.
A Modern Interpretation of Royal Oak Heritage
The Audemars Piguet Royal Oak 26715ST represents a contemporary evolution of the Royal Oak Chronograph.
Its 38mm dimensions, Bleu Nuit dial, and integrated steel bracelet preserve the collection’s iconic visual identity.
The addition of the automatic caliber 2385 introduces mechanical complexity without compromising the watch’s distinctive design.
Combining historic styling with contemporary finishing, this reference offers a compelling interpretation of the luxury sports chronograph.
Very Good Pre-Owned Condition with Original Box and Papers
This particular Audemars Piguet Royal Oak 26715ST is presented in very good pre-owned condition.
The watch shows minor signs of previous wear, such as small surface scratches consistent with careful use.
Its exact production year has not been provided.
The timepiece is accompanied by its original Audemars Piguet presentation box and papers, making it a complete full-set example.
Experience the Audemars Piguet Royal Oak 26715ST
The Audemars Piguet Royal Oak 26715ST combines exceptional design heritage, sophisticated chronograph engineering, and the timeless elegance of stainless steel.
From its distinctive octagonal bezel to its textured blue dial and automatic caliber 2385, every element reflects the craftsmanship that defines the Royal Oak collection.
Presented in very good pre-owned condition with original box and papers, this remarkable timepiece offers a refined expression of contemporary Swiss luxury watchmaking.



















