The crystal mirror makes the mirror scratch resistant, dirt resistant and waterproof. This OLEVS watch is water resistance 30m(3Bar/3ATM)and can be worn in daily life, such as wash hands, swimming, but not suit for diving and hot water environment. And equipped with luminous function, so that you can see the time in the dark. OLEVS watches for women equipped with exquisite gift box and adjustable band tools. It can be given as a grand surprise gift to your teacher, wife, girlfriend, mother, grandmother, good friends, family or yourself on Teacher's Day, Valentine's Day, Mother's Day, Thanksgiving, Christmas, New Year and birthday. The perfect companion for your travels and special occasions.