The PP Luxury Watches Grand Complications Retrograde Perpetual Calendar Rare Handcrafts 5160/500R-001 is an ode to PP Luxury Watches relic pocket watches. Every part of this timepiece is hand-engraved, from the silvery opaline dial center, bezel, and case back, to the fold-over clasp and strap screws. Complications include perpetual calendar timekeeping and moon phase capabilities. This exquisite timepiece is adorned with incredible detail as a reinterpretation of novel pieces that speak to Patek's legacy.