In the antique watch world, Patek Philippe calendar chronograph unique. They may be better able to act as brand representatives than any other type of timepiece. Patek Philippe calendar chronograph industry benchmark,  Ref. 2499.

Ref. 2499 is the successor to Ref. 1518, while Ref. 1518 is the first model to produce a perpetual calendar chronograph. Patek Philippe Ref. 2499 came out in 1951 (an argument), its production cycle up to 35 years (that is, 1951 to 1985). Nevertheless, Ref. 2499 is still a rare and rare model because most of the year’s production is less than 10 pieces. According to statistics, the total output of the Patek Philippe replica Ref. 2499 Chronograph is only 349 pieces.
35 years, Patek Philippe produced four generations of Ref. 2499 chronograph chronograph, they have their own advantages. The first generation is equipped with a square timekeeping button with Arabic numerals and decorative speedometer scales. The second generation (pictured in the text) uses round chronograph buttons with decorative Arabic numerals or stick-shaped inlays, which are preserved in the third and fourth generations. The third generation replaced the tachometer scale with a second lap, and the fourth generation, the last generation, introduced a sapphire crystal.
Ref. 2499 is 37.5 mm in diameter, larger than its predecessor, Ref. 1518, and even 1 mm larger than its predecessor, Ref. 3970. Patek Philippe Ref. 2499 perpetual calendar chronograph wear size, even today as the standard point of view, is perfect.

Which generation of Ref. 2499 the most popular welcome, collectors have their own preferences, but the color of precious metals have the greatest impact on the rareness of the watch. So far, the golden section is the most “common”, although the word does not seem suitable for such a rare and exquisite luxury replica watches for sale. It is believed that about 10 rose gold models, four generations have their own distribution. Platinum is the most rare, only two surviving, one of them hidden in the Patek Philippe Museum in Geneva.
Given the rare nature of Ref. 2499 and its significance in the history of watchmaking, it is not surprising that the gold price is $ 1 million and the rose gold price is twice as much. Because it not only proved Patek Philippe Ref. 2499 chronometer industry benchmark position, but also highlights the global collector’s longing for it.