PATEK PHILIPPE CALATRAVA REF.2451Brand Model Reference Year Case material Diameter Lug width Movement Dial Case back Strap Signed Description Patek Philippe Calatrava 2451 Circa 1950s 18K pink gold 31 mm 16 mm Manual winding, calibre 10 200 Original champagne dial with applied indexes and small seconds at 6 oclock Screw down Leather Case, dial and movement The Patek Philippe Calatrava Ref. 2451 is a refined expression of mid century watchmaking, embodying the understated elegance for