Patek Philippe Annual Calendar 5146R 18K Rose Gold Porcelain Dial 39MM This sophisticated Patek Philippe Annual Calendar (Reference 5146R-001) is a men's/unisex watch, featuring a 39mm 18K rose gold case and a luxurious brown crocodile skin bracelet with a matching rose gold fold clasp. The elegant champagne dial, protected by a sapphire crystal, displays Arabic numerals. Powered by the automatic Caliber 324 S IRM QA LU movement with a 45-hour power reserve, this timepiece is in very good condition with minor wear. It boasts an annual calendar complication and 3 ATM water resistance.