A. Lange & Söhne Langematik 310.221

A. LANGE & SÖHNE. A FINE 18K GOLD AUTOMATIC PERPETUAL CALENDAR WRISTWATCH WITH MOON PHASES, 24 HOUR INDICATION AND BRACELET SIGNED A. LANGE & SÖHNE, GLASHÜTTE I/SA, LANGEMATIK PERPETUAL MODEL, REF. 310.221, MOVEMENT NO. 28'409, CASE NO. 138'289, CIRCA 2007 Movement: Cal. L922.1, automatic, 43 jewels, signed Dial: Signed Case: Glazed display back secured by 6 screws, 39 mm. diam., signed With: 18k gold A. Lange & Söhne bracelet with double deployant clasp, overall length approximately 175 mm., setting pin, undated international guarantee, product literature, presentation box with winding mechanism and outer packaging