What number comes after 2499?
Vinculum. Using the vinculum, conventional Roman numerals are multiplied by 1,000 by adding a bar or overline, thus: IV = 4,000. XXV = 25,000.
What is the successor of Patek 2499?
The Ref. Ref. Patek Philippe’s reliance on the Valjoux-based movement for its chronographs, perpetual calendar chronographs included. Produced in the early 1950s, the Patek Philippe reference 2499, First Series, marks the inception of one of the most celebrated perpetual calendar chronographs ever created by the manufacture. In production for less than a decade, it is the rarest of all four series, known only in yellow and pink gold.