2024 Rattrapante Perpetual Calendar. The 5372p maintains the complementary perpetual calendar functionality, while heightening the complexity of the rattrapante mechanism by making it into a. 421.056) if there’s one design that embodies timekeeping on a cosmic scale, it’s the 1815 — the line that still proudly displays its pocket watch dna and the sort of watch you imagine peter capaldi’s dapper doctor who might wear.

2024 is a leap year, requiring the extra day of february 29 to keep times and dates aligned with the movement of our planet around the sun over a four year period. The perpetual calendar’s grand debut in 2024, a leap year.