pre-owned Calatrava 30mm from PATEK PHILIPPE featuring white, Roman numeral dial, 18kt yellow gold, leather strap, sapphire glass, round face, index hands, 60-second counter, screw-down crown, manual-winding movement, pin-buckle fastening, pre-owned and 30mm. The original box and papers are not included.. This piece comes with a certificate of authenticity.. This item comes with a standard one-year warranty from the boutique.. Purchasing this item continues its narrative and reduces the environmental impact by avoiding the use of new resources needed to make the product from scratch, such as water, materials and electricity, and avoiding additional manufacturing impact.. Learn more about what makes a product Conscious on our Conscious Criteria page.