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WT-3123A 12 inch Atomic Wall Clock

SKU: wt-3123a


WT-3123 12" Atomic Wall Clock

Series Model Numbers:

  • WT-3123A
  • WT-3123B
  • WT-3123C
  • WT-3123D
  • WT-3123E

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  • Atomic time with optional manual setting
  • Automatically sets to exact time
  • Accurate to the second
  • Automatically updates for daylight saving time (on/off option)
  • 4 time zone settings



  • Atomic Time
  • 4 Time Zones: Eastern, Central, Mountain, Pacific

Power Requirements:

  • One "AA" Alkaline Battery (not included)


  • 12" Diameter


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

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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: