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"The Annual Calendar T150 is a unique expression of Patek Philippe's unparalleled relationship with Tiffany & Co. The design of this timepiece touches all of us in a very personal way and gives the collector something that is truly rare and valuable," said Philippe Stern. Another unique aspect of the Annual Calendar T150 is that for the first time in over 30 years, Patek Philippe has re-created the simple, elegant look of rectangular window displays for the month, date and day of the week indications. This classic style was popular on watches made for the American market in the 1930s and 40s. At 12 o'clock, the dial features the distinctive Tiffany "T" and the names of both companies are also proudly displayed on the dial. All Patek watches have Poincon de Geneve (Geneva Seal) decoration on the movement. Patek Philippe is regarded by many as the finest watch in the world and virtually every record set of watches sold at auction is for Patek Philippe watches. The Patek Philippe T150 Annual Calendar Tiffany is available in 18kt yellow gold (Ref. 5150J), 18kt rose gold (Ref. 5150R), and 18kt white gold (Ref. 5150G) with a dimension of 36 mm