A. Lange & Söhne Annual Calendar 1815 Case: White gold case 750/1000 with saphire caseback, Alligator strap with original white gold buckle;Dial: Silver-plated dial with arabic numerals and railwaytrack minuterie, month indication at 3 o'clock, moonphase and small seconds at 6 o'clock, day and date indication at 9 o'clock, blued Lancette hands, signed: A. Lange und Söhne Glashütte I/Sa;Movement: German silver manually wound movement with 3/4 plate and Glashütter stripes, gold chatons, blued screws, swan neck regulator, engraved balance cock and annual calendar complication;Cal.: L051.3;Ref.: 238.026E;Movement No.: 131464;Case No.: 236576;Accessories: Box and papers;D=: 40mm;Year: 2018; Starting bid : 15000