Royal Oak Selfwinding Chronograph 26240ST.OO.1320ST.04 41mm

Description

The Audemars Piguet Royal Oak Selfwinding Chronograph "50th Anniversary" Ref. 26240ST.OO.1320ST.04 is a distinguished timepiece that exemplifies the brand's dedication to luxury and precision. Crafted to commemorate the 50th anniversary of the iconic Royal Oak collection, this watch seamlessly blends timeless design with advanced horological innovation, making it an exceptional choice for discerning gentlemen.

Overview

This 41 mm chronograph is a testament to Audemars Piguet's commitment to excellence. The stainless steel case is complemented by a striking khaki green "Grande Tapisserie" dial, offering a contemporary yet classic aesthetic. The timepiece is powered by the selfwinding Caliber 4401 movement, renowned for its reliability and precision. A special "50-years" oscillating weight is visible through the sapphire caseback, symbolizing half a century of the Royal Oak's legacy. 

Design and Craftsmanship

The Royal Oak Selfwinding Chronograph showcases meticulous attention to detail. The stainless steel case features the signature octagonal bezel secured by eight hexagonal screws, a hallmark of the Royal Oak design. The khaki green "Grande Tapisserie" dial adds depth and texture, while white gold applied hour markers and Royal Oak hands with luminescent coating ensure optimal legibility. The integrated stainless steel bracelet, with its satin-brushed finish and polished bevels, enhances the watch's sophisticated appeal. 

Movement and Performance

At the heart of this timepiece lies the selfwinding Caliber 4401 movement. This in-house chronograph movement operates at a frequency of 28,800 vibrations per hour (4 Hz) and offers a power reserve of approximately 70 hours. It features a column wheel and flyback function, allowing the chronograph to be reset and restarted instantly with a single push. The movement's intricate finishing is visible through the sapphire crystal caseback, showcasing Audemars Piguet's horological mastery. 

Features and Complications

The Royal Oak Selfwinding Chronograph is equipped with a range of functionalities tailored for both practicality and elegance. The chronograph features include a central seconds hand, a 30-minute counter at 3 o'clock, and a 12-hour counter at 9 o'clock, enabling precise time measurement. A date display is discreetly positioned between 4 and 5 o'clock. The watch is water-resistant up to 50 meters, ensuring durability for daily wear. 

Specifications

Case

• Material: Stainless steel

• Diameter: 41 mm

• Thickness: 12.4 mm

• Finish: Satin-brushed with polished bevels

Dial

• Color: Khaki green with "Grande Tapisserie" pattern

• Markers: White gold applied hour markers

• Hands: Royal Oak hands with luminescent coating

• Distinctive Elements: Three sub-dials for chronograph functions

Bracelet/Strap

• Material: Stainless steel

• Width: Tapered design for ergonomic comfort

• Clasp Type: AP folding clasp

• Adjustability: Integrated links for a customized fit

Movement

• Caliber: 4401

• Power Reserve: Approximately 70 hours

• Frequency: 28,800 vibrations per hour (4 Hz)

• Jewels: 40

The Audemars Piguet Royal Oak Selfwinding Chronograph "50th Anniversary" Ref. 26240ST.OO.1320ST.04 is a harmonious blend of aesthetic refinement and technical innovation. Its elegant design, coupled with the advanced mechanics of the Caliber 4401 movement, makes it a distinguished choice for men who seek a timepiece that embodies both luxury and precision.