Ultra-thin Digital Watch: Casual and simple dial design, and ultra-thin case thickness(only 7mm), 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