Silver-tone yellow gold/leather 1956 pre-owned Calatrava 35mm from PATEK PHILIPPE featuring round face, mechanical movement, calfskin leather strap, buckle fastening and central hours, minutes and seconds. This piece comes with a certificate of authenticity. This item comes with a standard one-year warranty from the boutique.. Please be mindful that this piece has led a previous life, and may tell its story through minor imperfection. Purchasing this item continues its narrative, so you can be confident that you’re making a POSITIVELY CONSCIOUS choice for the planet .