Patek Philippe Calatrava 18k Rose Gold Mechanical Mens Watch 5196R. Manual-winding movement. Rhodium-plated, fausses cotes decoration, straight-line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating free-sprung flat balance spring. 18k rose gold case 37.0 mm in diameter. Snap-on case back, concave lugs. Scratch resistant sapphire crystal. Silver opaline dial with applied faceted gold index hour markers. Pearled minute markers around outer rim. Small seconds sub-dial at 6 o'clock aperture. Rose gold dauphine hands. 18k rose gold fixed bezel. Brown leather strap with 18K rose gold tang type buckle.