Kisai Xtal LED Watch

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Kisai XTAL LED watch
Kisai XTAL cryptic mode watch

The mysterious Kisai Xtal watch combines a crystalline shaped stainless steel case with a faceted mineral crystal lens and a cryptic yet simple to read LED time display.

Kisai Xtal includes two different time display modes, date mode, alarm, six different user-selectable animations and comes in a choice of four vivid LED colors in black or gold stainless steel.

xTAL watch with red LED

Choose Digital Time or Cryptic Time

There are two time modes programmed into Kisai Xtal. The first is regular mode and displays time in a row of four stylized hexagonal LED digits.

The second mode is cryptic mode - to outsiders these LED shapes look like an alien code - but is in fact the same digital numbers with the middle line removed. The 8 is an exception but it's easy to learn.

The date and alarm time is shown in the same way and you can choose 12 or 24 hour time mode.

Kisai Xtal is easy to read when you know how but creates a sense of mystery for onlookers. Find out more below:

How to read the time

The LED display is activated at the touch of a button. When the time is not displayed you see the dark screen housed in a modern bracelet, making Kisai Xtal look like a futuristic wrist band.

Minimal Watch Design in Futuristic Material Colors

Available in black or gold stainless steel, one of Kisai Xtal's most attractive features is the material contrast between the smoked mineral crystal lens, polished case and finely brushed strap.

The black version is set off by a beautiful silver polished trim around the edge of case and strap. The custom made mineral crystal lens features a central horizontal edge facing the wearer.

Blue or Green LED watches

Customise Your Watch Animation

Kisai Xtal features six different user-selectable animation patterns. When turned on, your choice of animation will illuminate the display every 15 minutes between 6pm and midnight. You can turn this on or off in the settings.

The watch is USB rechargeable which means you'll never have to change the battery. To recharge, connect to your computer with the USB cable provided.

One full charge will take 3.5 hours and each charge should last for at least 2 months between charges.

xTal watch on wrist

Kisai Xtal is a unisex watch and has a fully adjustable strap to fit large or small wrists.

Like all watches from Tokyoflash Japan it is a limited edition design which means that it is guaranteed to be an original watch that not many other people own.

For more information, take a look at the video demonstration above. A PDF user manual is also featured above which includes more detailed information about this watch.

xtal white LED

Gold watch with red LED

6 different animations!


  • Displays the time (12/24 hour modes)
  • Date mode
  • Two time display modes: normal & cryptic
  • Alarm mode
  • Six user selectable animations (can be turned off)
  • USB rechargeable: unscrew & connect to your computer
  • USB cable and screw driver included
  • Stainless steel case
  • Adjustable stainless steel strap
  • Minimum wrist size: 100 mm (approx.)
  • Maximum wrist size: 210 mm (approx.)
  • Case Dimensions: 36 mm x 33 mm x 13.8 mm
  • Weight: 140 grams
  • Battery: PL301517 rechargeable watch battery
  • English instructions
  • One year warranty

pdfDownload PDF manual

Gold watch with white LEDs

Concept to Reality

In February 2010, Tokyoflash Japan opened its Design Studio Blog to showcase concept designs and request ideas for new watch designs from fans. The idea for Kisai Xtal was submitted by Sam Jerichow from Germany.

Find out more about the original concept on the Tokyoflash Design Studio Blog.

Blog reader & watch designer Sam Jerichow says:

Sometimes the work on a concept takes weeks with little steps day by day, sometimes it's really quick. Back then when I was sketching the numbers for the Xtal it was spontaneously while having lunch. I liked my scribbles instantly and developed a matching watch. It was a stroke of luck that this idea came to me. I am amazed by how the people in the blog, including Tokyoflash received the concept! Thank you so much for your support, your opinions and your confidence everybody!

My concepts are always more or less idealistic. Seeing a working real life version of the idea is just priceless! Tokyoflash came up with a golden version and it is awesome! Depending on the material, the LED color and the time mode there are different appearances from classic to alien.

I hope you find yours and enjoy it. I certainly do. Just gotta love this lens ♥.

Tokyoflash, you did a great job again, with the watch and with the presentation. Thank you!

xTal Wrist

xTal watch on wrist

See more photos on our Flickr Photostream


ACQUISTO $169.00

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Models not listed above are sold out
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