New Smart Watch IN-16 Glow Tube Watch Counts Time and Seconds Wireless Charging IPX4 Waterproof Shatterproof Wristwatch $499.95ea. FREE SHIPPING The Nikisi tube has not been produced for more than 30 years, and it is difficult to find something that can show the time and good preservation condition every year. Era's team spent a long time finding the gas seal tube "IN-16" in the lighting warehouse of the Gazotron military factory. This is the Nikisi tube watch "Era" introduced this time! Era is a cool vintage watch, which combines two vintage digital tubes (IN-16) and modern technology. Nostalgic digital tube dial will surely attract people's attention. Please enjoy the color and luster brought by the industrial revolution! About 70 years ago, an indicator tube was able to display numbers and symbols. A metal mesh electrode and a 10 to 9 electrode are installed in a gas filled tube and fill the inside with a neon gas containing mercury or argon. When you turn on the voltage, each electrode illuminates and displays the numbers. This was the first invention of the human race to display numbers on the tube. In the time when the smell of ammunition was held, and the space development competition was made, the nixie tube which was born by the breakage of science and tIn 1973, LED technology became prosperous, and nixie tubes were no longer produced, but the warm orange light kept on people's minds. The era team aimed to complete the color 70 years ago. Among them, Nikki tubes are the most important parts and must be manufactured in that period. Therefore, I purchased the in-16 which was preserved in the lighting warehouse of the gazotron military factory in full condition and decided to use it for era The Nikki tube of type No. 16 was suitable for the watch, and it was stored as it was at the time of manufacture. I don't know how many in-16 nixie tubes are left all over the world, but it's very valuable and worth the collection. Eras infused with new life in the exquisite harmony of modern and retro. This one watch that uses precious mate rial and special technique melts into your daily life and drifts a rich presence in various scenes. The control algorithm of wrist detection is built, and when the gyro sensor detects that the arm has risen, the figure automatically flashes, and the time and minute are displayed alternately. In order to fit two nixie tubes to the watch, the parts must be made small. After several years of research, the era team adopted smart chip control and successfully minimized the number of parts and the size of electrical circuits. As a result, era Horizontal Finished with a small body of 16.3mm thickness. The nixie tube operates at a voltage of 170 v. The RA team adopted a high-performance low power processor to maintain high performance and suppress power consumption. As a result, it is possible to eliminate the fault curr ent resistance and to identify whether the nixie tube is lit or not. How to get it work? Time Display: By raising your wrist or pressing any button to display the time. The Hour and Minute will be alternately displayed for twice, 1.25 seconds each. When the blue LED is off, it shows Hour; when it's on,it shows Minute. Enter Stopwatch Mode: Double press the down button to enter the Stopwatch Mode. The numbers of the 2 Nixie tubes will cycle through. Press the down button to start timing. Press to stop. Press again to clear. Press it twice to return the the previous interface. Turn off Wrist Raise Display: Double press the up button to enter the menu; at this time, the menu flashes to display "00". Press any button to make the menu display "01". Double press the upper button, and then it displays "10" or "11" ". Press any button to switch, "10" is to turn off the Wrist Raise Display, "11" is to enableWrist Raise Display. Brightness Adjustment: Double press the down button to enter the timing interface. Press the up button to change the brightness. Note the default setting is auto brightness powered by ambient light sensor. Low Battery Reminder: When the battery is lower than 10%, the red light flashes for 1.5 seconds and the tubes are off. It can only be woken up by pressing any key. Nyx has a great stopwatch feature built right in. Just double press the down button to enter. You don't need to take out your smartphone to count time any more. Nyx is built with sapphire crystal and sapphire case back which is extremely strong that it resists scratches. Sapphire is one of the hardest substances on earth which measures 9 on the Mohs scale, while diamond measures 10, the highest rating. It is virtually scratch-proof because it is very difficult to scratch, and this material also helps prevent fingerprints, keeping great clarity all the time. The clock part is 50g and can just feel the weight. It is comfortable to wear, so it is comfortable to wear. Era employs convenient wireless charging. The included charging stand is also available for wireless charging compatible smartphones. You can use full charge for 3 hours, 3 days under normal use, 1 day, 7 days long. ELA is waterproof level IPx4 and is not affected by daily handwashing or short time rain. However, please do not put in water or place in a place with high humidity. Also, please do not enter the sauna or bath, bath or shower. 30dys money back guarantee. Returned items must be in original condition and packaging. Buyer pays return shipping. No refunds issued unless items are returned.