This is a Patek Philippe Annual Calendar Chronograph Ref. 5905/1A, produced in 2025. A highly sought-after modern complication, this model features a stainless steel case paired with a rich green sunburst dial, combining sportiness with classic Patek Philippe elegance. The 5905/1A integrates an annual calendar with a flyback chronograph, requiring adjustment only once per year. Powered by Patek Philippe’s in-house automatic movement, this watch represents the pinnacle of contemporary Swiss watchmaking. This example remains in excellent pre-owned condition and includes its box and papers. Key Features: • Model: Patek Philippe Annual Calendar Chronograph • Reference: 5905/1A • Case Size: 42 mm • Case Material: Stainless steel • Bezel: Smooth polished bezel • Dial: Green sunburst dial with applied hour markers • Movement: Patek Philippe automatic movement (Caliber CH 28-520 QA 24H) • Bracelet/Strap: Stainless steel bracelet • Crystal: Sapphire crystal • Functions: Hours, Minutes, Seconds, Date, Day, Month, Flyback Chronograph • Power Reserve: Approx. 45–55 hours • Water Resistance: 30 meters • Box: Yes • Papers: Yes • Condition: 9/10 – excellent pre-owned condition with minimal signs of wear • Year: 2025 • Service Warranty: 1-year service warranty on all pre-owned timepieces post 1975 Watch can be polished on customer request.
