Patek Philippe Perpetual Calendar

Movement: mechanical, self-winding.
Size: 37 mm by 12 mm.
Functions: hours, minutes, seconds, day, date, month, year, 24 hours.
Case: steel.
Mineral-crystal glass on top and bottom.
Dial: white, guilloche with golden Arabian figures.
Strap / Bracelet: black leather with classic clasp.
No docs and box