The Patek Philippe Annual Calendar Chronograph Reference 5961R, a distinguished 2025 release in brand new, immaculate condition, exemplifies the pinnacle of haute horlogerie. Crafted from exquisite rose gold, this highly sought-after timepiece seamlessly integrates two of Patek Philippe's most iconic complications within a singular, sophisticated design.
At its heart lies the proprietary Calibre CH 28-520 IRM QA 24H, a self-winding mechanical movement that powers both the Annual Calendar and the flyback chronograph functions. This integrated automatic calibre features a column-wheel chronograph with a vertical clutch, ensuring precise starts and stops while minimizing wear. The Annual Calendar complication, patented by Patek Philippe, displays the day, date, and month, requiring only a single manual adjustment per year at the end of February. Further complications include a power reserve indicator and a discreet day/night indicator, ensuring comprehensive timekeeping information.
Aesthetically, the 40.5mm rose gold case of the 5961R is a testament to Patek Philippe's dedication to luxury and craftsmanship. Its bezel is meticulously set with 36 baguette diamonds (~3.48 ct), complementing the opulent material. The dial, typically an elegant opaline black or grey, often features baguette diamond hour markers, providing exceptional legibility and a striking visual contrast. The robust construction and refined finishing are characteristic of an heirloom-quality timepiece.
Historically, the Patek Philippe 5960/5961 series marked a significant milestone as the brand's first automatic chronograph. The integration of the patented Annual Calendar complication further solidified its importance, showcasing Patek Philippe's mastery in combining complex mechanisms. This particular Patek Philippe 5961R is not merely a watch; it is a significant investment piece, embodying technical prowess, material luxury, and unparalleled brand prestige. Its availability as a 2025 "Brand New" offering makes it an exceptional opportunity for discerning collectors.
Key Specifications:
- Brand: Patek Philippe
- Model: Annual Calendar Chronograph
- Reference: 5961R
- Calibre: CH 28-520 IRM QA 24H
- Material: Rose Gold
- Case Size: 40.5 mm diameter
- Bezel: Set with 36 Baguette Diamonds (~3.48 ct)
- Complications: Automatic Flyback Chronograph, Annual Calendar (Day, Date, Month), Power Reserve Indicator, Day/Night Indicator
- Dial: Often Opaline Black or Grey, frequently with Baguette Diamond Hour Markers
- Year/Release: 2025
- Condition: Brand New, Immaculate
- Status: Highly sought-after investment piece








































































































