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WT-3108-BBB 7.5 inch Water Resistant Atomic Clock

SKU: WT-3108-BBB


La Crosse Technology’s 7.5" water resistant atomic clock with digital temperature display fits almost anywhere you need accurate time and temperature. Powerful suction cups allow mounting to glass, tile, mirrors or other non-porous surfaces. Also mounts to porous surfaces with nail or screw. From shower to backyard patio, this stylish water-resistant timepiece is the perfect accent - indoors or outdoors. Receives a radio signal from the National Institute of Standards & Technology’s atomic clock in Fort Collins Colorado. Self-setting and even adjusts to daylight saving changes automatically if selected.

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  • Water Resistant
  • Suction Cup Mounts
  • Hang on Screw or Nail
  • Atomic Time
  • Manual Time Setting Option
  • Indoor Temperature



  • Indoor Temperature Range: 32°F to 122°F 
Power Requirements:
  • 1 “AA” Alkaline Batteries 
  • 7.5" Diameter


La Crosse Technology, Ltd. provides, to the original purchaser, a 1-year limited time warranty on this product, relating to manufacturing defects in materials & workmanship.  In accordance with the Song-Beverly Act, in the state of California, the warranty on this item becomes effective on the date of delivery.  The item will be either repaired or replaced at La Crosse Technology's discretion.

Click Here for full warranty details

Use the registration form below to register ownership of your product only.  If you have a question about use of the unit, please click on the support tab next to this one to see available support material or submit a ticket.


In this video we explain what a clock movement is, go over what "Atomic Time" means, and then demonstrate how to set up and use any of our four main wall clock movements. Use this video to learn how to set up a basic decorative wall clock, or one that uses the WWVB Atomic Radio Signal coming from Fort Collins, CO.

For more information on the NIST or the WWVB signal, visit:

For additional information about you wall clock, visit:


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