This is a general use face mask. This mask is neither a medical device, nor personal protective equipment. It is not intended for use in healthcare settings and it is not proven...
Multiple functions: day, date, 12/24-hour formats, light. Daily Alarm and snooze alarm, Hourly Time Signal, 1/100 stopwatch with split time and chronograph. 40 mm diameters case, 3 ATM (30 m) water...