Ultra-thin Digital Watch: Casual and simple dial design, and ultra-thin case thickness(only 6.6mm), easy wear it in daily life,support backlit Mens Digital Watch: Dual time zone, 12/24 hours switch, automatic calendar, alarm clock, hourly alarm and daily alarm Watch with Timer: 1/100 second stopwatch and countdown timer, max support 23 hours, 59 minutes and 59 seconds Water resistant to 50M / 164FT.In general,suitable for swimming in shallow water and cold showering?but keep away from hot water and steam,not suitable for long time underwater activities such as diving ?Sales Guarantee?Provides 12 months guarantee, allowing you to eliminate purchase concerns. Any problem, we will supply satisfied solution within 24 hours.