$3 Million Holy Grail Patek Philippe Timepiece to Be Auctioned by Phillips, Bacs & Russo
The Patek Philippe 1436 Split Seconds Chronograph Steel from Phillips Auction explained (live photos) - updated with results, Sold 3.3M CHF - Monochrome-Watches
Grail Watches: The Holy Trinity (Patek Philippe, Audemars Piguet, And Vacheron Constantin) – And What Is A 'Grail' Anyway? - Reprise - Quill & Pad
Have you ever owned a Patek Phillipe watch and if so what was your opinion of it as a timepiece? - Quora
Patek Philippe 5270G-019 Perpetual Calendar Chronograph Patek Philippe Review
What Is the Holy Trinity of Watches? - Bob's Watches
Let's Not Pretend There Are Any Watches Like the Tiffany Patek
11 Most Expensive Watches Sold At Auction In The Past 10 Years
Twelve Holy Grail Watches at Phillips's One Auction in Geneva - Bloomberg