A. Lange & Sohne Style No: 139.021 A. Lange & Söhne Grand Lange 1 Moon Phase Watch

41mm 18K yellow gold case, 9.5mm thick, transparent back, 18K yellow gold bezel, scratch resistant sapphire crystal, champagne dial, calibre l095.3 manual winding movement with off-centre main dial, subsidiary seconds with stop seconds, moon-phase display, outsize-date display, approximately 72 hours of power reserve, brown alligator/crocodile leather strap, tang buckle.