The Patek Philippe Grand Complications Perpetual Calendar Chronograph Ref. 5270J-001 represents the absolute pinnacle of high horology, continuing a legendary family lineage that has defined Patek Philippe since 1941. This stunning masterpiece brings a grand historical complication to life in a warm, solid 18-carat yellow gold case, framing an elegant silvery opaline dial. Seamlessly pairing a traditional column-wheel chronograph with an incredibly advanced perpetual calendar layout, it serves as the ultimate investment-grade treasure for the elite horological connoisseur.

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REFERENCE NUMBER

5270J-001

CASE DIMENSIONS

Diameter: 41 mm

Thickness: 12.4 mm

CASE MATERIAL AND DIAL COLOR

Case Material: Solid 18-carat yellow gold case entirely polished, featuring a classic concave bezel and elegant two-tier fluted lugs, complete with interchangeable solid and sapphire crystal exhibition casebacks

Dial Color: Silvery opaline dial with yellow gold applied "obus"-style faceted index hour markers and faceted yellow gold hands

CRYSTAL TYPE AND COATING

Scratch-resistant sapphire crystal with anti-reflective treatment

WATER RESISTANCE

30 meters (3 ATM / 100 feet)

MOVEMENT DETAILS

Calibre: Manufacture Calibre CH 29-535 PS Q

Type: Manually wound mechanical movement with traditional column-wheel chronograph, perpetual calendar, day, month, leap year, day/night indication in apertures, date by hand, moon phases, and small seconds

Power Reserve: Min. 55 hours – Max. 65 hours (with the chronograph disengaged)

BRACELET/CLASP DETAILS

Premium hand-stitched matte chocolate brown alligator leather strap with large square scales, secured with an 18-carat yellow gold fold-over deployment clasp

AUTHENTICITY

All Swiss watches sold on Haute24 are 100% authentic with box, papers & international warranty included.