Binary watches for professionals At this time, clock 01-12 represents the clock, 05-55 represents minutes, and 1234 is also a minute. When the current time is 12:48, the digital clock of clock 12 will light up, with minutes of 45 and 123. When displaying the date, if it is May 12th, the letter date will light up, and clock number 5, minute number 10, and minute number 2 will all light up. When the week is displayed and it is Friday, the letter week and the clock number 5 will light up. Explanation 1: When setting the time, first press button A to light up the clock, then press button B. When the number starts flashing, press button A to set it. Press once to set the hour, press twice to set the minute. Guide 2: Press 3 times to set the month, press 4 times to set the date, press 5 times to set the week, press 6 times to adjust the brightness, press 7 times to automatically wake up. Fine workmanship: Clock crystal glass lens, clear display, high-quality all metal stainless steel ring, electroplating process, dazzling luster, black strap, soft and skin friendly, fits the wrist, overall beautiful and fashionable Easy to use: This binary creative fashion clock has no pointers and is easy to operate. You can easily find the exact time. Please refer to the user manual or picture instructions. Please select 3V CR2016 button batteries (2) Creative design: This clock is designed with fashion and creativity. When the LED lights are on, the light becomes even more dazzling, and the unique display mode makes it clear at a glance