Case material: White gold; Charge: Manual; Conditions: Used Presentation condition : Without documents; Model: 1815 Price on request Gmtbroker Reference: 233.026 Pristine preowned mens A. Lange & Sohne mens 1815 in solid 18k white gold features a silver dial with a subdial at 6:00. Transparent back to see the 23J mechanical movement. Comes on its Lange black exotic strap with Lange 18k white gold buckle