Alessia Beretta

Complication Specialist

Alessia writes deep dives on tourbillons, perpetual calendars and minute repeaters. WOSTEP-certified watchmaker trained at École d'Horlogerie de Genève.

Articles by Alessia Beretta (6)

Minute Repeater Gong Metallurgy: Why Alloy Matters More Than Design

The atomic structure of gong alloys determines minute repeater acoustics more than cathedral geometry or case design. A technical examination of why metallurgy trumps form.

April 28, 2026

Patek Philippe vs Audemars Piguet: Perpetual Calendar Philosophy

How Patek's modular perpetual calendar architecture differs from AP's integrated approach—examining technical tradeoffs in height, serviceability, and shock resistance.

April 28, 2026

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Patek 5236P In-Line Perpetual Calendar: Revolutionary Mechanism

How Patek Philippe's caliber 31-260 PS QL eliminates traditional sub-dials through revolutionary cam architecture, representing the most significant perpetual calendar display innovation since the early 1980s.

April 19, 2026

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Patek Philippe Calatrava: The Definitive Guide to Watchmaking's Most Elegant Collection

Explore the Patek Philippe Calatrava collection—the ultimate expression of minimalist luxury and Swiss watchmaking excellence.

April 17, 2026

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Patek Philippe Complications: The Ultimate Guide to Haute Horlogerie Mastery

Explore Patek Philippe's Complications collection—where centuries of watchmaking expertise meet extraordinary mechanical innovation.

April 17, 2026

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Patek Philippe Grand Complications: The Ultimate Guide to Horological Masterpieces

Discover the Patek Philippe Grand Complications collection—where centuries of watchmaking excellence meet unprecedented mechanical complexity and timeless design.

April 17, 2026