Audemars Piguet Square "Türler" ref.5815BA from 1959

Brand: Audemars Piguet 
Model: Square
Year of manufacture: 1959
Serial number:5267
Material: 18k Yellow Gold
Dimensions: 23 mm x 23 mm
Luminous material: No
Caliber: 2003
Type of movement: Manual winding
Strap measure: 20mm
Strap:  Alligator Strap with 18k Yellow gold buckle
Box/Papers: No
Mechanical Operating Guarantee: 6 months

Comments: Watch in excellent mechanical condition, recently serviced.