18-inch Indoor/Outdoor Atomic Wall Clock
404-89027 Atomic Wall Clock
404-89027 Frame
404-89027 Temp/Humidity
18-inch Indoor/Outdoor Atomic Wall Clock
18-inch Indoor/Outdoor Atomic Wall Clock
18-inch Indoor/Outdoor Atomic Wall Clock
404-89027 Dimensions
404-89027 Battery
404-89027 18-inch indoor/outdoor atomic wall clock

404-89027 18-inch Indoor/Outdoor Atomic Wall Clock

SKU: 404-89027

Regular price$79.99

404-89027 18-inch Indoor/Outdoor Atomic Wall Clock


Already own this product? Register it here


  • 18" Round case
  • Dark brown plastic frame w/white textured dial 
  • Atomic time automatically sets to exact time 
  • Accurate to the second 
  • Automatically updates for Daylight Saving Time (ON/OFF option) 
  • 4 Time zones: EST, CST, MST & PST 
  • Glass lens
  • Metal hands



  • Atomic Movement
  • Temperature range: -20°F to +120°F
  • Humidity range: 1% to 99% (%RH)

    Power Requirements:

    • One "AA“ Alkaline battery (not included)
    • Extra battery life compartment 2 “AA” batteries (extends up to 3 yrs. - batteries not included)


    • 18" Diameter x 2.6" Deep


La Crosse Technology, Ltd. provides, to the original purchaser, a 1-year limited time warranty (from date of purchase) on this product, relating to manufacturing defects in materials & workmanship. 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:


Customer Reviews

No reviews yet Write a review

You May Also Like

Recently Viewed