Specifications Movement: Multifunctional Quartz Movement. Type:Fashion & Casual Features: Chronograph, 3 atm waterproof, Luminous Hands, Calendar, Hour, Minute, Second Water-resistant depth: 3ATM Watch weight: 105g Band length: about 225mm (available to wear) Bandwidth: about 26mm Case size: about 58mm Case thickness: about 15.5mm Function Demonstration 1/10 microsecond Indicator Minute dial (the middle one): 1 circle = 1 hour Second dial (the bottom one): 1 circle = 1 minute Calendar Window: date (The date is factory-set, please adjust the date before use. HOW TO USE THE BUTTONS? Start/Stop Button – Press the button, the chronograph will start to work; Press again, the chronograph will stop working. Crown - Pull out to the first grade to adjust the calendar. Crown - Pull out to the second grade to adjust the time. Reset Button – Press the button, the chronograph will back to the original position. Luminous After the watch is illuminated by strong light, the illuminated pointer will absorb the light source. With the merit of a large size easy-to-read dial and luminous pointer, it is easy to read calendar and time at night. Equipped with a chronograph that allows you to clearly record every second. Waterproof Function(3ATM): It can be used when rainy and you are washing hands (without hot or warm water). CAN NOT be used when swimming or any other in-water activities. CAN NOT be closed with hot or warm water. Fashion Leucorrhea Fashion Leucorrhea Read more