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MichaelC's post showcases the Audemars Piguet Royal Oak 'Jumbo' extra-thin ref. 15202BA, a significant reference within the Royal Oak lineage. This article delves into the specific attributes of this yellow gold 'Jumbo,' offering insights into its design and collector appeal. MichaelC's contribution provides a personal context for appreciating such a distinguished timepiece.
Best day of the year in my world.

Audemars Piguet Royal Oak "Jumbo" extra-thin
About the Audemars Piguet Ref. 15400
The Audemars Piguet Royal Oak reference 15400 represents a pivotal moment in the iconic collection s evolution, introduced in 2012 as the successor to the beloved 15300. This reference marked the transition to a larger 41mm case size while maintaining the essential design DNA established by Gérald Genta s revolutionary 1972 original. The 15400 served as the flagship time-only Royal Oak for nearly a decade, embodying the perfect balance between contemporary sizing preferences and the model s legendary octagonal architecture. Its significance lies in bridging the gap between vintage proportions and modern wrist presence, making it highly sought after by collectors who appreciate both heritage and wearability.
At the heart of the 15400 beats the manufacture Caliber 3120, a self-winding movement that showcases Audemars Piguet s horological mastery through its 22k gold rotor and 60-hour power reserve. This robust caliber features a frequency of 21,600 vibrations per hour and incorporates the brand s commitment to finishing excellence, visible through the sapphire caseback with its Geneva stripes, circular graining, and beveled edges. The movement s architecture reflects decades of refinement, delivering reliable timekeeping while maintaining the slim profile essential to the Royal Oak s elegant proportions.
The 15400 s design epitomizes the Royal Oak s distinctive aesthetic codes: the integrated steel bracelet with alternating brushed and polished surfaces, the iconic octagonal bezel secured by eight hexagonal screws, and the Grande Tapisserie decorated dial that creates mesmerizing light play. The silver dial variant particularly exemplifies the model s versatility, offering a refined backdrop for the applied hour markers and Royal Oak hands. From a collectibility standpoint, the 15400 has achieved significant recognition as the last generation of the 41mm time-only Royal Oak before the introduction of the current 15500, positioning it as a modern classic that captures both the model s evolutionary peak and its enduring appeal among discerning collectors.
Specifications
- Caliber
- Cal.3120
- Case
- steel
- Diameter
- 41mm
- Dial
- silver
- Water Resist.
- 50m
- Crystal
- Sapphire
About the Audemars Piguet Audemars Piguet Royal Oak 15202 YG Ref. 15202
The Audemars Piguet Royal Oak "Jumbo" ref. 15202 is a significant reference within the Royal Oak collection, known for its close adherence to the original 1972 design. It maintains the distinctive slim profile and integrated bracelet that defined the initial Royal Oak, distinguishing it from other Royal Oak models that introduced different sizes or complications. This reference is particularly valued for its historical continuity and minimalist approach to the Royal Oak aesthetic.
This reference features a 39mm case, typically crafted from yellow gold, with a thickness of 8.1mm. It is fitted with a sapphire crystal and offers a water resistance of 50 meters. Powering the watch is the self-winding Caliber 2121, a movement known for its slimness and a power reserve of approximately 40 hours. The dial is presented in blue, complementing the yellow gold case and bracelet.
For collectors, the 15202 represents a direct link to the Royal Oak's origins, appealing to those who prioritize historical accuracy and understated design. Its production run from 2012 to 2019 makes it a sought-after reference among enthusiasts of the "Jumbo" lineage. The combination of its classic dimensions, integrated bracelet, and the Caliber 2121 solidifies its position as a key reference in the Audemars Piguet catalog.
Specifications
- Caliber
- Cal.2121
- Case
- yellow gold
- Diameter
- 39mm
- Dial
- Blue
- Water Resist.
- 50m
- Crystal
- Sapphire
About the Audemars Piguet Time and Date Ref. 15400ST
The Audemars Piguet Royal Oak reference 15400ST represents a pivotal chapter in the evolution of the iconic Royal Oak collection, serving as the successor to the legendary 15300 series. Introduced as part of Audemars Piguet s ongoing refinement of Gérald Genta s revolutionary 1972 design, the 15400 maintained the essential DNA of the original Jumbo while incorporating modern manufacturing techniques and proportions. This reference stands as a testament to the maison s commitment to preserving the Royal Oak s distinctive aesthetic language while adapting it for contemporary wearers, bridging the gap between the collection s storied past and its continued relevance in haute horlogerie.
At the heart of the 15400ST beats the manufacture Caliber 3120, a self-winding movement that exemplifies Audemars Piguet s in-house expertise. This 21-jewel caliber operates at 21,600 vibrations per hour and provides a robust 60-hour power reserve, featuring a 22-carat gold rotor and meticulous finishing throughout. The movement s architecture showcases traditional Swiss craftsmanship with its circular graining, Geneva stripes, and polished bevels visible through the exhibition caseback. The time-only configuration emphasizes the caliber s pure horological focus, delivering reliable timekeeping within the iconic 41mm stainless steel case.
Design-wise, the 15400ST exemplifies the Royal Oak s signature aesthetic codes: the octagonal bezel secured by eight hexagonal screws, the Grande Tapisserie guilloché dial pattern, and the integrated bracelet construction. The silver dial provides optimal legibility while highlighting the collection s distinctive hour markers and luminous-filled hands. Protected by sapphire crystal and rated to 50 meters water resistance, the watch balances everyday wearability with luxury positioning. Among collectors, the 15400ST occupies a significant position as one of the final time-only Royal Oak references before the introduction of the current 15500 series, making it increasingly sought-after as a modern classic that captures the essence of Audemars Piguet s most celebrated design.
Specifications
- Caliber
- Cal.3120
- Case
- Steel
- Diameter
- 41mm
- Dial
- silver
- Water Resist.
- 50m
- Crystal
- Sapphire
About the Audemars Piguet Royal Oak Ref. 15202BA
The Audemars Piguet Royal Oak 'Jumbo' extra-thin ref. 15202BA represents a significant iteration of the original Royal Oak design, distinguished by its yellow gold construction. This reference maintains the core aesthetic principles of the 1972 model, emphasizing a slender profile and integrated bracelet, while offering a distinct material choice that appeals to collectors seeking a more opulent presentation of the classic 'Jumbo' form.
This reference features a 39mm yellow gold case and bracelet, housing the self-winding Caliber 2121. The movement is known for its slimness, contributing to the watch's 'extra-thin' designation. The dial typically presents the signature 'Petite Tapisserie' pattern, with applied hour markers and Royal Oak hands. The octagonal bezel, secured by eight hexagonal screws, is a hallmark of the Royal Oak collection.
For collectors, the 15202BA is valued for its adherence to the original 'Jumbo' dimensions and its yellow gold execution, which provides a different character compared to its steel counterparts. It bridges the gap between the historical significance of the Royal Oak and the desire for a precious metal sports watch, making it a notable piece within the Audemars Piguet catalog.
Specifications
- Caliber
- 2121
- Case
- Yellow Gold
- Diameter
- 39 mm
- Dial
- Blue or Champagne with 'Petite Tapisserie' pattern
- Water Resist.
- 50 meters
- Crystal
- Sapphire
Key Points from the Discussion
- The thread is primarily a celebratory post with minimal substantive discussion beyond well wishes and shared wristshots.
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