The Patek Philippe 5905/1A-001 is a distinguished timepiece from the Complications collection, featuring a 42mm stainless steel case with a polished finish. Its sunburst olive green dial adds a contemporary touch to its classic design. The watch is powered by the automatic Caliber CH 28-520 QA 24H movement, offering a 45-hour power reserve. It combines a flyback chronograph with an annual calendar, displaying the date, day, and month. The integrated stainless steel bracelet enhances its sporty yet elegant appeal. With a sapphire crystal and water resistance up to 30 meters, it balances luxury with functionality