Patek Philippe Moonphase
18kt Perpetual Calendar
Reference 2438/1
This magnificent beauty sold at Christies Auction House on May 10, 2010 for $289,259. In was manufactured in 1954 and it's 37mm. This is probably the most beautiful watch ever made. Patek Philippe launched the Reference 2438/1 in 1951 and it was water-resistant, and at the same time Patek Philippe also launched the 2497, which was not water-resistant.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiwREU66xg7U3ysyR5jdwbCeZJ1jEe5IGqsDkpgfSlD_NXGNMKP1ereokjAsyL93xrngFU72fnGD0zSdFMtvR3Lq1OnIGOpgnFjXTBxsp6iQt-Spu41cEWFiNVu_gWPm3aGAP8pqPWxjLsu/s1600/Patek-Philippe-Moonphase-Reference-2438-1.jpg)