Gosasa Men's 939 Digital Japanese Quartz Black Military Sport LED Multifunctional Waterproof Wrist Watch LCD digital movement, easy read watch Black resin strap,stainless steel back,shock-resistant Time,date,week,seconds. Alarm,Chronograph,back light. 5 colors back light, press light up button and keep 3s to change color 3 ATM water resistance for convenience in your daily life