https://www.christies.com/en/lot/lot-5091492?ldp_breadcrumb=back
PATEK PHILIPPE, REF. 3970EJ18K GOLD MANUAL-WINDING PERPETUAL CALENDAR CHRONOGRAPH WRISTWATCH WITH...
MOVEMENT NO. 3'046'700, CASE NO. 4'165'315, MANUFACTURED IN 2002
patek philippemanual winding