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The Giant Display Atomic Wall Clock

This is the oversized wall clock that maintains its unerring accuracy from the radio clock transmitter in Fort Collins, Colorado. Its digital display uses 4 1/4"-high numbers, allowing you to easily read the time from up to 30' away. In 2"-high numbers below the time, the display provides the date, day, indoor and outdoor temperature. It includes a wireless outdoor thermometer that communicates with the clock from up to 330' away, providing a range of -4° F to 122° F. Includes automatic Daylight Saving Time adjustment, alarm, and 12/24 hour time format. Providing accurate time across the entire lower 48 United States, the clock’s radio receiver synchronizes with NIST-F1, the United States’ atomic clock which will never gain or lose a second in 60 million years. Mounts to a wall or stands upright with swing-out arm. Requires three C and two AAA batteries. 10 1/2" H x 16" W x 1 3/4" D. (3 1/2 lbs.)




Lifetime Guarantee

The Giant Display Atomic Wall Clock comes with The Hammacher Schlemmer Lifetime Guarantee. Items that we sell are guaranteed for their normal life under standard non-commercial use.

Should any product fail to meet your expectations, we will replace it or refund the cost of the item less shipping and service fees. Returns older than one year will be credited in form of a gift certificate.

Should you have any questions, we are available seven days a week (Monday - Friday 7:30 AM - 9 PM EST and Saturday - Sunday 7:30 AM - 8 PM EST) Please call 1-800-321-1484 to speak with a specialist or email us at to receive a response within 24 hours or less.

Item 84586
Price $129.95
Available for Immediate Shipment.
Add One 4 Pack C Battery for $7.95, One 4 Pack AA Battery for $4.95

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The Giant Display Atomic Wall Clock - Wireless outdoor thermometer