This watch is also known as:
5450 , 5450P-001 .
This Patek Philippe Advanced Research Annual Calendar 5450P model is a treat for watch connoisseurs since it is limited to only 300pcs. With several functions such as hours and minutes, center seconds, power reserve, annual calendar and moon phase Patek Philippe Advanced Research Annual Calendar includes a 50-60 hour power reserve. Simple yet ultimately stylish with its 39mm in diameter and 11.7mm thickness platinum bezel, Patek Philippe Advanced Research Annual Calendar has a caliber 3245 QA IRM LU engine which consists of 28,800 vph, 356 parts, 34 jewels, Silinvar? silicon-based escape wheel and Spiromax? balance spring also made of Silinvar?.