The Seiko ER6700 Concise Oxford Dictionary & Thesaurus is a comprehensive electronic dictionary and thesaurus that provides you with instant access to over 240,000 words, phrases, and definitions. It also includes a wide range of synonyms and antonyms, allowing you to find the perfect word for any occasion. The device features a large LCD screen and a user-friendly interface, making it easy to navigate and search for words. With its compact size and extensive database, the Seiko ER6700 is a valuable tool for students, writers, and anyone who wants to improve their language skills.