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A Story of Independence

The Patek Philippe Seal

Created in 2009 by Philippe and Thierry Stern, the Patek Philippe Seal guarantees exceptional standards across every mechanical watch. The Seal is more than a quality benchmark. It is a statement of independence. An emblem of horological excellence that embodies the values and standards of our family-owned watch company.

The Watch

The Patek Philippe Seal applies to the entire watch, movement, case, and every external component, holding each to standards that go far beyond industry norms. Resolutely dynamic, it is embodied by the watchmakers, artisans, and engineers who embody a tradition of innovation and the discipline to push it further, synonymous with precision, artisanal perfection, and the enduring value that defines every Patek Philippe watch.

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The Manufacture favors thinness in the construction of its movements and therefore also for its cases.
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The Seal regulations apply to all Patek Philippe mechanical timepieces, regardless of their complexity. The Seal is affixed as prominently as possible on the movement, for example on one of the bridges.

Design and Craftsmanship

Patek Philippe pursues excellence in both form and function. The Manufacture combines technical performance with an unwavering commitment to elegance, ensuring that every case, dial, hand, and exterior detail is executed to the highest standards. Through exceptional craftsmanship and meticulous finishing, the exterior of each watch faithfully reflects the quality of the movement it houses.

Precision, Functionality and Reliability

To bear the Patek Philippe Seal, a timepiece must meet the highest standards of functionality, reliability, and precision. Compliance with this criterion results in masterpieces admired as much for their accuracy and dependability as for their beauty.

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Excellence Through Certification

Each new watch model is certified through rigorous standards applied to the movement, case, and complete timepiece. Expert craftsmanship and precise controls are matched by a commitment to continuous refinement, ensuring the Seal evolves alongside every innovation and technical advancement Patek Philippe makes.
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Measured Precision

Rate accuracy is assessed at every stage, from uncased movement to fully assembled watch, through meticulous testing with kinetic simulators, ensuring a deviation of no more than -1/+2 seconds per 24 hours. Every function must operate flawlessly without compromising that accuracy, upheld by the watchmakers and engineers who bring years of expertise to every adjustment, every control, every detail.
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Rigorous Inspections

The Seal establishes a rigorous inspection protocol verified at each stage of production. For example, a self-winding movement requiring nearly 1,200 manufacturing operations undergoes several hundred hours of testing at the Manufacture. Before assembly, each component is meticulously verified. Finished movements undergo testing lasting up to thirty days. Every watch is subject to 100% scrutiny until it meets every criteria of the Seal.
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Mastery of sound

The final approval of the sound of all minute repeaters leaving the Patek Philippe workshops is carried out by Thierry Stern himself. This unique ritual, inherited from his father and his grandfather before him, enables him to ensure that all minute repeaters have a perfectly harmonious acoustic signature. Since 2003, the acoustic signature of each timepiece has been stored in our archives.
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Bienfacture

At Patek Philippe, bienfacture is expressed in every operation, from the finishing of each component to every aspect of the complete timepiece. For more than 185 years, this passion for fine craftsmanship has remains one of the values that sets Patek Philippe apart.

Our Hand Finishing
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Legibility and Aestheticism

All displays are designed to be as legible and aesthetic as possible.

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The Art of Gem-setting

All gems used on watches are of natural origin, set in accordance with the highest standards and never adhesively bonded.

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Geometry

The geometry and surface appearance of all components must be respected, regardless of the trimming and polishing processes used.

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Decoration

All the upper sides of bridges must be decorated, with polished chamfers and countersinks.

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Regulatory Organ

Rate-accuracy adjustments must act on the inertia of the balance-wheel.

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Balance-spring

The balance-spring must be mechanically secured to ensure perfect truing in the round and in the flat.

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Wheel Crossings

The crossings of all wheel trains must be chamfered above and below and feature polished sinks.

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Winding Rotors

All movements must be fitted with polished olive-hole jewels. The oscillating weight must be made of precious metal and decorated.

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Design

All finished cases and bracelets must retain their original shape, devoid of any sharp edges, regardless of the complexity of the surfaces and the type of finishing applied to each.

International Customer Service

When you purchase a Patek Philippe watch, you can rest assured that it will receive excellent service throughout its lifetime. This commitment to service is in line with the philosophy that a Patek Philippe timepiece is built to last, purchased not only for oneself, but also for future generations.

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A promise of excellence - During the service, the watchmakers analyze, disassemble and inspect all components, then clean them before reassembling and lubricating the movement.
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Antique watches whose restoration requires highly specialized skills — most of which are rarely used today — are entrusted solely to the restorers of Patek Philippe’s International Customer Service department in Geneva.
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Our relationship with customers starts when they purchase a timepiece and continues throughout its lifetime. Patek Philippe supports this through a global network of Authorized Service Centers meeting Patek Philippe Seal standards.
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Transmission know-how - The Geneva-based training center offers Patek Philippe technicians around the world the opportunity to acquire a thorough technical knowledge of the products.
International Customer Service

Across Generations

The Patek Philippe Seal guarantees the maintenance, restoration, and preservation of every timepiece created since 1839. Through a global network of Authorized Service Centers, highly specialized restoration expertise, and the continuous training of watchmakers, the Manufacture safeguards authenticity, craftsmanship, and original components whenever possible, ensuring the transmission of its watchmaking excellence across generations.
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Origins of the Symbol

The double “P” symbolizing the Patek Philippe Seal was inspired by the initials engraved on the gold rotor of the first automatic Patek Philippe movement, caliber 12 600 AT, launched in 1952. The frame surrounding the double “P” is reminiscent of the shape of a classic pin buckle, originally designed by Henri Stern for the American market.
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Quality and Fine Workmanship

Our Timepieces

In line with the ambition of our founders, we continue our mission to design and manufacture the finest watches in the world.

Our Timepieces