There is a particular kind of knowledge that comes from skiing downhill fast. Not recklessly, that is a different thing entirely. The discipline is in the calculation: how much speed the line will bear, where the margin lies between commitment and catastrophe, how to read a slope that cannot be read straight on. Philippe won the gold medal in giant slalom at the inaugural Winter Universiade in 1960, and when he spoke about what the sport had taught him, he did so with the directness that I would come to know as characteristic of him. You are always calculating how fast you can go, he said, weighing risk against benefit. He thought it was good training. He was right.
Over the years that followed, he applied that same calculus to decisions the rest of the Swiss watch industry considered frankly ill-advised. He was right often enough, and consequentially enough, that by the time he handed over the presidency of Patek Philippe in 2009, the company he had inherited as a workshop of 150 people producing some 5,000 watches a year had become the measure against which the entire world of fine watchmaking is taken. I had a closer view of that transformation than most were given. For more than fifty years, Philippe was a partner, a teacher, a friend. What follows is not a chronicle of his achievements, it is my attempt to set down what I learned from him, and what I will miss.
Philippe was born in Geneva in 1938, the son of Henri Stern and the grandson of Charles Stern. Charles and his brother Jean had acquired Patek Philippe in 1932, at the depth of the Great Depression, stepping up from their standing as the firm's dial suppliers to rescue it from insolvency. The Stern family had been in the company’s orbit before they ever owned it, and Philippe grew up understanding, through his father's example rather than any formal instruction, that what the Sterns guarded was not simply a business but an idea of how the finest mechanical watches were to be made. Henri had built Patek Philippe's modern distribution network and spent formative years in New York cultivating the American trade, before returning to Geneva with a philosophy that Philippe would inherit and extend: remain independent, remain creative, remain profitable.
Philippe accepted that inheritance and added one word to it. Sustainable.
He joined the Henri Stern Watch Agency in New York in 1963 and worked from the ground up — fitting straps, learning the market, deepening his understanding of the network his father had built. It was the authorised retailers, with their intimate knowledge of the watches and their customers, who gave him a clearer sense of what Patek Philippe meant to the people who sold it. He returned to Geneva in 1966 and spent the years that followed rotating through every department of the manufacture — accounting, procurement, after-sales service and retail — accumulating the granular knowledge of the enterprise that would later prove indispensable. He was not a trained watchmaker, yet he knew the business from the inside out. Which proved to be exactly the right preparation for what lay ahead.
The reckoning, when it came, was severe. It did not merely disrupt the Swiss watch industry, it systematically dismantled it. Employment across the industry fell by more than half, and established watchmaking houses collapsed or diluted themselves into forms their founders would not have recognised. The pressure on even the finest manufacturers to abandon mechanical watchmaking entirely was not abstract; it was the considered advice of people with access to the numbers.
Philippe had become General Director in 1977, arriving at the helm just as the storm made landfall. His response was a decision so quiet it hardly registered: he retained the tooling, kept the watchmakers and funded the artisans. His reasoning began with what he knew personally. He was already a collector of mechanical timekeepers; he understood that there was a passion for such objects that quartz could never replicate. He had also seen what his engineers could do when properly directed, and the work he had set them on years earlier now came to fruition. The Calibre 240's micro-rotor, sunk into the movement plane rather than sweeping above it, gave his watches an elegance that quartz could not match in kind. He was modest about it. The aim, he said, had been to make something more elegant than a quartz watch — not more accurate, that was not possible, but more beautiful.
The 150th anniversary of the company in 1989 was the proof of the strategy. Nine years of development had produced the Calibre 89: thirty-three complications, 1,728 parts, the most complex portable timepiece the world had then seen. Four pieces were made — in yellow gold, white gold, rose gold, and platinum. When the watch was unveiled at the Antiquorum preview in Geneva that April, the hands of its stellar dial were set to indicate, in the constellation of Aquila, the ascendance of the star Altaïr. It was Philippe's lucky star. It was also the name of his racing boats, which won Le Bol d'Or on Lac Léman seven times between 1977 and 1992.
The yellow gold Calibre 89 went under the hammer at that Patek Philippe themed auction and was bought by a European collector. When Philippe offered the remaining three privately, the collector we approached in South-East Asia made one condition: he wanted all four together, or none. Philippe dispatched Alan Banbery to repurchase the yellow gold watch from its new owner so that the set could be reunited. All four were placed, in the end, to that single collector. By then Philippe and I had already known each other the better part of two decades.
What came after was the architecture. Production had been scattered across more than a dozen locations in Geneva, and Philippe had concluded the arrangement was no longer tenable — not for logistical reasons alone, but because the collaboration a manufacture of Patek Philippe's ambitions required was impossible across that much distance. In 1991, having successfully persuaded the cantonal authorities for the right to own rather than lease the land, he acquired a plot of 270,000 square feet in Plan-les-Ouates, a village on the outskirts of Geneva whose only notable landmark at the time was a Renault garage. Everyone told him it was foolhardy. By 1996 the new manufacture had opened, and what had been a patchwork of scattered workshops became, in a single building, the physical expression of everything he believed independent ownership made possible.
Five years later came the museum. To understand what it meant, you must go back a generation. Henri Stern had begun acquiring exceptional pieces in the early years of his own presidency, on the advice of his friend, the enamel painter Carlo Poluzzi — more a private passion than any plan to form a museum collection. A handful of pieces, bought for love. They were of such quality that they left a lifelong impression on his grandson Thierry, who as a child of seven would pull open a drawer in his father's office and find six seventeenth-century pocket watches lined in red velour. He decided then that he wished to make watches.
Philippe inherited those pieces along with everything else, and from the mid-1960s, working with Alan Banbery, he extended what his father had begun into something of an altogether different scope. The collection broadened beyond Patek Philippe's own history to encompass all of European horology from the Renaissance forward. By the time the Patek Philippe Museum opened in November 2001, it comprised some 2,500 objects and a library of more than 8,000 works. His wife Gerdi oversaw the interior, with the deliberate intention of giving the rooms the welcoming feel of a private residence. What two generations of the Stern family had gathered in private was now, without qualification, shared.
His final act as president, in 2009, was the Patek Philippe Seal — a proprietary quality hallmark that replaced the Geneva Seal, of which Patek Philippe had long been the most celebrated ambassador. The Geneva Seal remained what it had always been: the most prestigious external standard in the industry. But Patek Philippe had refused acquisition, refused flotation, and refused throughout its history to surrender its most important decisions to outside pressures. A company built on those principles had arrived, by the logic of its own values, at the point where it needed to define its own measure. The Seal he created covered not only the finishing of movement components but rate stability, precision, case and dial, precious metals, stone setting, and a lifetime service guarantee extending to every watch the company had made since 1839. It was, in the most precise sense, an act of complete self-governance.
The manufacture, the museum, the Seal — these are the visible architecture of his presidency. But the architecture rested on something less visible, and to understand Philippe fully you have to understand that too. It was not a policy. It was something he had watched his father practice and absorbed before he could have named it.
When Henri Stern completed his commercial apprenticeship in Europe in the early 1930s, he was already calling on Teddy Beyer in Zurich, whose firm Beyer Chronometrie had been in business with Patek Philippe longer than the Sterns had owned it. When Henri held a small dinner at his Geneva home to mark the company's 125th anniversary in 1964 — a gathering of some twenty people, close retailers and old friends, Teddy Beyer was among them. Philippe, in his mid-twenties and recently returned from New York, was at that table. He remembered it, decades later, as an occasion simply to be together with a few good old customers. What he was describing, without saying so, was friendship of a kind that had been present before he was old enough to take part in it, and into which he had simply grown.
At the other end of the world, Lee Chay Watch, the specialist retailer my father founded in Singapore, had begun its business with Patek Philippe in the 1960s. When I returned from my studies in Australia in 1971 and joined the business, I found myself in the path of a man from Geneva, a few years my senior, who was beginning to travel his markets with growing authority. In a city where few businessmen were then comfortable in spoken English, the ease between us became the foundation of a bond that neither of us would ever describe in transactional terms. When I left the family business and founded The Hour Glass in October 1979, Philippe did not hesitate for one moment to support the new venture. The inaugural event we held at our new boutique in Singapore was an exhibition of Patek Philippe watches. He did not wait to see whether we would succeed before committing to us. I have never forgotten that.
In 2018, I travelled to Geneva to celebrate Philippe’s eightieth birthday. As we posed for a photograph, Philippe turned to me and said, "Henry, time flies. We have now known each other at least fifty years. It is important to pass on to our children this value — that business relationships are built on friendship and tradition." I often think of that sentence. It was, in a way, the whole of his philosophy compressed into a single remark over lunch.
The transfer of a family company from one generation to the next is never merely a legal or commercial event. What Philippe had handed his son Thierry was everything he had himself received, with forty years of his own work laid on top of it: a manufacture reunited under one roof, a museum open to the world, a standard that answered to no one but itself, and a web of relationships — reaching from Geneva to Singapore and beyond — built on the understanding that the most durable thing a business can possess is the trust of people who believe you will still be there in fifty years.
My son Michael has written of what Philippe meant to him. From Philippe, he has said, came the lesson of focus, of how to build a family enterprise whose fundamental values place long-term thinking and commitment above the profit imperative, and whose relationships with its partners are understood as something closer to responsibility than to commerce. That both our sons learned the same lesson, an ocean apart, is perhaps the truest measure of the man. It is the kind of lesson that does not arrive in a single conversation. It comes from watching someone practice it, over the years, until the example becomes indistinguishable from the principle. I watched Philippe practice it for half a century. I am still learning from it now.
Time flies, he said. It does. But some things outlast it — a manufacture, a museum, a standard, and the friendships on which all three were quietly built. Philippe Stern understood that better than anyone I have known.
I will dearly miss my friend.
Henry Tay
16 June 2026
