CASIO Oceanus OCW-M700 TITANIUM Tough Solar Watch From Japan,I bought my dad this Casio OCW-M700 in 2010. He has worn it every day for the last 14 years. The titanium scratches quite easily but it doesn't really bother him. :,美品!CASIO・OCEANUS・OCW-M700・電波ソーラー・10BAR・カシオ・オシアナス・タフソーラー・チタニウム,Casio Oceanus OCW-M700 Series | WristWatch,I bought my dad this Casio OCW-M700 in 2010. He has worn it every day for the last 14 years. The titanium scratches quite easily but it doesn't really bother him. :