Talk to someone who knows nothing about watches and within 60 seconds you’ll no doubt be asked about “that brand” with the “you know…you look after it for the next generation” advertising campaign. Patek Philippe has been using the so-called Generations campaign to sell watches since 1996 without interruption, and the sentimental pairings of sweet family photographs and seemingly timeless watches is still going strong. On the occasion of the campaign’s 20th anniversary, I spoke with a few of the people instrumental in its creation and evolution over the decades, to get the real story behind watchmaking’s most iconic advertisements.