Patek Philippe Perpetual Calendar 5160

Patek Philippe Perpetual Calendar 5160/500R-001
© Patek Philippe

Perpetual Calendar Ref. 5160 is a wristwatch by Patek Philippe.

With their sapphire crystal caseback protected by a flap and straight lugs, these officer-style perpetual calendars with a retrograde date hand are among the most sought-after models for connoisseurs of rare timepieces — especially when, like this “Rare Handcrafts” model in rose gold, they feature a fully hand-engraved case.

Reference:

5160/500R-001 Rose Gold

Movement:

Automatic manufacture caliber 26-330 S QR, 28,800 vph (4 Hz)
Gyromax® balance wheel, Spiromax® balance spring
Central rotor in 21-karat gold
31 jewels
368 components
Power reserve 35–45 hours
Geneva Seal

Case:

Rose gold
Hand-engraved case, caseback, crown, lugs, and strap attachments
Ø 38 mm, H 11.81 mm
Sapphire crystal
Sapphire crystal case back, protected by a hand-engraved, hinged dust cover
Water-resistant to 3 atm

Dial:

Silvery opaline
Applied Breguet numerals in white gold
Dial plate in 18-karat gold
Blackened, pear-shaped hands in yellow gold

Functions:

Hours, minutes, central seconds
Perpetual calendar with moon phase and retrograde hand date
Day, month, and year in apertures

Strap:

Hand-stitched alligator strap with deployant clasp