I bet your wristwatch is not as cool as the ChronodeVFD. It is a wristwatch built around the IVL2-7/5 VFD display tube. The tube is completely transparent front to back, allowing you to see your circuit board. The VFD display is driven by a Maxim MAX6920. The core is Atmel ATMega88 AVR, and the real-time clock is a Maxim DS3231. The device also has brass tubing on the display that makes the watch look good. You can find out more information about this watch on johngineer.com.
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