Model Number: 310.021 E Model: Langematik Perpetual Material: 18K Yellow Gold Function: Perpetual Calendar, Moon Phase, Big Date, Month, Day, Leap Year Indicator Dial: Silver Movement: Automatic Case Size: Approximately 38.5mm Condition: Excellent, Some very light wear, Please see pictures Notes: Includes Box, Booklets, and Warranty Certificate Dated December 2004. Comes on original Lange Bracelet, will fit a 6 ¾ Inch Wrist. Inventory Number: 13238

Ref Variations: 310021E,