The watch world is entering the second half of 2026 in a reflective mood. The death of Philippe Stern, Patek Philippe’s legendary former president, on Jun 14 was a reminder that great watchmaking is about more than great products. It is perhaps fitting, then, that many of this year’s most significant anniversaries celebrate those same qualities. Patek Philippe’s Nautilus, which turns 50, redefined the luxury sports watch, while its Annual Calendar – a relative youngster at 30 – solved a genuine horological problem. In a very different corner of watchmaking, Ulysse Nardin’s 25-year-old Freak turned an entire movement into the time display.