This pre-owned Patek Philippe Calatrava Diamond Moon Phase 4857G watch is in excellent condition. During our quality control check, any necessary adjustments are made to ensure the watch is functioning as intended. The watch is Crown & Caliber Certified Authentic and comes backed by our 1-year warranty. This Patek Philippe Calatrava Diamond Moon Phase 4857G (Leather bracelet / 18k White bezel / Gray dial) Women's watch is in Excellent condition. It is Crown & Caliber Certified Authentic, has undergone any necessary service, and comes backed by our 1-year warranty. Prior to shipment, the watch will undergo a final quality control to ensure it is functioning as intended. If you have questions about this watch, give us a call at (800) 514-3750 and mention reference code: AJL50192.