ERHARD JUNGHANS Tempus Gangreserve, Ref. 028/9725.00. Herrenuhr. 49x42x11, ERHARD JUNGHANS Tempus Powerreserve, Ref. 028/9725.00. Men's watch. Gold 18K. Automatic-movement, calibre J830.5. Leatherband with original pin buckle clasp in gold 18K. Visible signs of wear on case and band. Limited edition of 100 pieces worldwide, no. 019/100. Box and papers enclosed, bought 12/2006. Diameter ca. 42mm (measured without crown).