Let me tell you the story of a watch that quietly changed modern horology—the Patek Philippe Annual Calendar Ref. 5035P-024. In the mid-1990s, as brands wrestled between minimalist three-handers and ultra-complicated perpetual calendars, Patek Philippe introduced something radical—not in design, but in logic. In 1996, the brand unveiled the Annual Calendar, a new kind of complication that would track the months accurately, accounting for 30- and 31-day lengths, and require correction just once a year at the end of February. Practical, elegant, and technically refined, it was a concept born not to impress the watchmaking elite, but to offer real-world utility to those who actually wore their watches.

To house this innovation, Patek introduced the Ref. 5035, the first annual calendar ever made, powered by the in-house Caliber 315 S QA. It was a watch that combined a traditional three-window layout—day, date, and month—with the understated lines of a classic Patek case. Then, in the early 2000s, came what is arguably its most refined and overlooked incarnation: the 5035P-024. Cased in solid platinum, with a soft silver dial and luminous Roman numerals, this version radiated quiet complexity. At 37 mm, it doesn’t beg for attention, but those who know, recognize it immediately for what it represents—a turning point.

What makes it so special, yet so often overlooked? In an era when collectors chase bold complications or hype-driven steel sports watches, the 5035P offers something else: restraint with purpose. It marks the first time Patek made a mechanically elegant solution for the everyday calendar—without requiring a PhD to set it. It’s a watch that was born not in a marketing boardroom, but in a workshop that asked: how can we make a complication more intuitive?

Why do we curate it? Because the 5035P-024 is a true watchmaker’s watch. It represents one of Patek Philippe’s most important intellectual contributions to modern horology—without fanfare or spectacle. And in platinum, with that silky silver dial and luminous hands, it wears like an idea perfected: useful, beautiful, and timeless. It’s not just a dress watch; it’s a reminder that innovation doesn’t always scream—it often whispers.

Model – Annual Calendar
Reference – 5035P-024
Year – 2004
Size – 37mm
Dial – Silver
Case Material – Platinum
Bracelet Material – Leather
Movement – Automatic
Power Reserve –
Water resistance –
Condition –  9/10
Accs – Full Set
Remarks –