Patek Philippe Calatrava ladies' watch. White gold case, size 31mm. Black leather strap with tang clasp. White dial features black hands and Arabic numeral hour markers. Includes a small seconds subdial at the six o'clock position. Powered by Patek Philippe Calibre 215 PS Hand Wind movement (based on model 215), boasting an 18 jewel count, a frequency of approximately 28800 vph, and offering around 44 hours power reserve. Equipped with sapphire crystal for scratch resistance and pull/push crown operation. The transparent case back allows visibility, and the watch is round in shape measuring 31mm in diameter. Water resistant to 30 meters / 100 feet depth suitable for shallow water activities.