The A. Lange & Sohne Grand Lange 1 Moon Phase (ref. 139.021) features the L095.3 mechanical manual winding movement with an approximate 72-hour power reserve when fully wound; solid silver dial with yellow gold hands; Lange's patented large date display; power reserve indicator; small seconds subdial with stop seconds; moon-phase display; sapphire-crystal, exhibition case back; and 41mm, 18k yellow gold case on a hand-stitched, brown crocodile strap with an 18k yellow gold ardillon buckle.
CASE Yellow Gold
DIAL Solid silver, champagne
STRAP / BRACELET Brown crocodile strap
MODEL NUMBER 139.021
COMPLICATIONS Moon Phases, Power Reserve, Seconds Subdial
BUCKLE Yellow gold ardillon buckle