The Swatch Group Greece S.A., Athens - Certina Customer Service Center Centre de services client The Swatch Group Greece S.A. Sygrou & 3 Mantzagriotaki Str. 17672 Athens Grèce Contact Phone 0030 210 956 56 56 Fax 0030 210 956 52 52 Courriel: swatchgroup [at] otenet.gr