PATEK PHILIPPE CALATRAVA REF.2545Brand Model Reference Production period Material Case diameter Thickness Lug to lug Dial Crystal Crown Caseback Movement Strap Condition Description Patek Philippe Calatrava Ref. 2545 Circa 1950s Solid 18K yellow gold 34 mm (without crown) approx. 8 mm 42 mm Original champagne dial with applied gold markers and small seconds at 6 oclock Domed plexiglass Original signed Patek Philippe Snap on, internally numbered Patek Philippe Caliber 12 400, manual