GOHUOS Mens Militray PU Leather Waterproof Big Dial Quartz Analog Wrist Watch with Calendar-Yellow Imported High Quality Leather Band, durable and pratice, gives you a new classic definition. Multiple Function. Water proof & Calendar(Auto Date) & Week Function. Water resistant 3ATM (NOT suitable for showering,bathing,swimming,snorkelling,water related work and fishing,diving)NOTE: Please DO NOT press any buttons in the water or wear this watch for longtime underwater activities such as diving,ect. Japanese High quality Quartz movement. Long Battery Life. Advanced manufacturing technology, wear well and wear comfortable