Waterproof Digital WatchUltra 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