Patek Philippe Grand Complications Chronograph Perpetual Calendar - Rose Gold - Ebony Black Sunburst Dial - 5270/1R-001 Mechanical octagonal crown set with a

octagonal crown set with a synthetic spinel

and the fixed bezel showcasing an engraved tachymetric scale in 18K yellow gold

calibre 582QA self-winding movement

equation of time

Patek Philippe Grand Complications Chronograph Perpetual Calendar - Rose Gold - Ebony Black Sunburst Dial - 5270/1R-001 Mechanical octagonal crown set with a41 mm rose gold case, 12. 4 mm thick, interchangeable full back and sapphire crystal back, ebony black sunburst dial, caliber CH 29 535 PS Q manually wound movement with day, month, leap year and day night display in apertures, date by hand, tachymeter scale, approximately 55 65 hours of power reserve, rose gold bracelet, fold over buckle. Water resistant to 30 m.