Beijerlandselaan, 79 , 3074 EC, Rotterdam, The Netherlands
Pleinweg, 150 154, 3083 ER, Rotterdam, The Netherlands
Voorhaven, 4 , 3024 RM, Rotterdam, The Netherlands
www.antique-horology.org/kats, http://www.katskats.com
Wildersekade, 106 , 3053 KA, Rotterdam, The Netherlands
Zuidplein Hoog, 619 , 3083 BH, Rotterdam, The Netherlands
Hoogstraat, 171 , 3011 PM, Rotterdam, The Netherlands