Montredo - Rolex models with the Country Code 100 usually fetch a premium price in the German market. This might change with the brand's new warranty card, however. Full story on Montredo:
Country Codes
Rolex Country Codes Around The World | The Watch-Collector
Country Codes
Rolex: serial numbers and country codes - The watch magazine
Rolex Country Codes: What does the LC mean on a Rolex Watch?