AN EXCEPTIONAL A. LANGE & SÖHNE, REF. 720.025 PLATINUM 'LANGE 1 TOURBILLON PERPETUAL CALENDAR' WATCH
Maker: A. Lange & Söhne Model: Lange 1 Tourbillon Perpetual Calendar Reference number: 720.025FE Serial number: LS7202AB Limited edition: 12/100 Year: Circa 2013 Case size: Approx. 42 mm Case material: Platinum Dial: Silvered Movement: Automatic Bracelet/Strap: Black leather Functions: Tourbillon, retrograde day, moon phase, perpetual calendar, day/night indicator Stamps: Case back: A. LANGE & SÖHNE LIMITED 012/100 GLASHÜTTE I. SA. 202114 (Swiss hallmarks) Pt950. Sold with: A. Lange & Söhne inner and outer box, instruction booklet and Lange Guarantee Seal 
