Oct 13 (Reuters) - The Slovak central bank's foreign currency reserves fell to $13.082 billion in the week to Oct 11, from $13.230 billion one week earlier, the bank said on Friday. SLOVAK FOREIGN RESERVES Oct 11 Oct 4 Sept 27 ($ million) Central Bank 13,081.8 13,230.1 13,228.7 Commercial banks 2,625.9 2,754.5 3,256.5 Total banking sector 15,707.7 15,984.6 16,485.2 NOTE: Reserves data are calculated according to methodology compatible with European Central Bank standards. (Reporting by Martin Dokoupil in Bratislava) ((Editing by Ian Jones; editorial@reuters.sk; Reuters Messaging: martin.dokoupil.reuters.com@reuters.net; +421 2 5341 8402)) Keywords: MARKETS SLOVAKIA RESERVES