The sonata products are so classic style and boring look.my friend bought a sonata chain watch and 1stly the watch is so bored.t he watch is so disgusting because he face many problem like battery problem.the sonata watches are so many problem with their performance.the sonata watches are waste of money and user faces many problem and my friend also.the price of sonata watches are high price compare to its potential.so I tell you sonata are so disgusting.