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Home > Atomic Products > Atomic Kits and Clock Movements > Quartex® Atomic Clock Movement

Quartex® Atomic Clock Movement

Quartex® Atomic Clock Movement
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Quartex® Atomic Clock Movement Quartex® Atomic Clock Movement Quartex® Atomic Clock Movement Quartex® Atomic Clock Movement 
Quartex® Atomic Clock Movement 

Quartex® Atomic Clock Movement is rated 4.5781 out of 5 by 64.
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Quartex Brand

Our popular Atomic Clock Movement auto-synchronizes with the official U.S. time in Fort Collins, Colorado up to 5 times per day. Also known as radio controlled, these atomic movements are the most accurate clock movements on the market today. Auto-sets for DST assuring you have the correct time, every time.

Use these atomic clock movements in your next project, or replace your old quartz motors with an updated clock movement that sets itself! A free pair of hands is included with our quartz atomic clock movements. In order to ensure that your radio controlled clock motor receives the best signal strength, we do not recommend using this movement with a metal clock face. Operates in the Continental U.S. only in Pacific, Mountain, Central and Eastern time zones.

Warranty1 year
Maximum Dial ThicknessSee Below
Total Shaft LengthSee Below"
Shaft Diameter5/16"
Chiming Melody SoundNone
Case Size2-9/16"H x 2-3/16"W x 3/4"D
Free Pair of Hands*Yes
Battery1 AA (#45001)
Hardware IncludedYes

*You will be able to choose your Free Pair of Hands after you make your selection below. Select Group A Sweep Second Hands are an additional charge.

View Atomic Clock Movement Instructions

Stock No.

Maximum Dial Thickness
Maximum Dial Thickness: Refers to the thickness of material the hand shaft will travel through, including the clock dial and any material the dial is mounted to.

The maximum thicknesses listed below have 1/8" built in to accommodate for mounting hardware.

Need help? Please call:

Total Hand Shaft Length
Total Hand Shaft Length:
Refers to the total length of the hand shaft.

Measure the entire hand shaft to determine your movement's total hand shaft length, from the base of the clock movement to the tip where the clock hands are attached.


























Rated 5 out of 5 by from Works great! Bought this to replace a nice looking clock I own that had a broken movement. Installation was straight forward, and it picked up the radio signal pretty quick. I've had this movement for about a month, and it still keeps atomic time. It's slightly larger than a standard movement, so you're going to want to make sure it will fit before purchasing. It was easy enough to install I'm tempted to replace all my analogue quartz clocks with an atomic movement.
Date published: 2016-01-19
Rated 5 out of 5 by from Easy to install I liked the easy to follow instructions. The clock movement was packed safe in the box that they came in. The price was great too. Thank You :-)
Date published: 2016-02-02
Rated 5 out of 5 by from Easy to install--follow the directions! This is the fourth atomic movement I have purchased. So far all run well and keep perfect time. Even sets daylight time automatically. GREAT ! ! !
Date published: 2016-03-14
Rated 5 out of 5 by from Very Good At This Price I have built four clock using the Quartex Atomic Clock motor. It has been easy to install, and with a couple of restarts, easy to get it set. It works perfectly. My only complaints are 1) the case is too thick for some of my clock designs, and 2) there needs to be a version with a longer stem for some things I want to build. I have been able to get around both of these challenges so far; it was a real dilemma in the case of the pictured clock.
Date published: 2016-04-03
Rated 5 out of 5 by from Excellent Product! I bought this movement to replace the one in a reproduction vintage clock that sits on our mantle. The new movement was easy to install, seems to keep excellent time, and never has to be reset for Standard vs. Daylight savings time.
Date published: 2016-02-15
Rated 5 out of 5 by from Works like a charm! I wanted a clock that would set itself so I wouldn't have to worry about it once the structure was put together. The Klockit clock works great!
Date published: 2016-01-29
Rated 2 out of 5 by from DST switch doesn't seem to work on ET Well as another commenter noted, the value of the DST switch doesn't seem to do anything here now that we're on DST. I've just re-synced the clock 4 times which it's happily done, but never to the proper EDT. It forever stays on EST regardless of the value of the DST on/off switch on the back. Temporary solution is to flip to CST but ultimately the movement will need to be replaced. My recommendation would be to just try one of the set & forget movements. I'm not sure the atomic ones are worth the trade off assuming you can set the clock for yourself the first time.
Date published: 2016-03-16
Rated 5 out of 5 by from Worth It Movement installed easily. Adjusted to Colorado Clock smoothly, and has been keeping exact time effortlessly. It does exactly what your description said it would do, and yes, I plan on buying more as needed.
Date published: 2016-01-21
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Does mounting orientation matter? That is, can the case be rotated 180 degrees around the hand shaft, so the long axis of the case is horizontal rather than vertical as shown in the picture?

Asked by: jmands
Hi Jmands, we recommend orientating this clock movement with the battery compartment at the bottom. We do not recommend rotating the case 180 degrees; doing so may cause interference with the radio signals and result in incorrect timekeeping.
Answered by: Klockit
Date published: 2016-05-26

Can you get the atomic movement with pendulem?

Asked by: Bigkev
We do not currently offer an atomic clock movement with a pendulum option.
Answered by: Klockit
Date published: 2016-05-24

replace clock movement I have a Ingraham wall clock witch QUorderARTEX part to order

Asked by: joe lepore
Hi Joe, we are unable to provide a replacement recommendation based off that reference. Can you please contact us at 1-800-556-2548 or with the measurements below? (You will need to remove the clock movement from your clock) We'll then be able to help you find the proper replacement for your Ingraham wall clock. (1) Thickness of material the shaft will have to travel through including the clock face and any material the face will be mounted to (maximum dial thickness) (2) Total length of the hand shaft on the movement. Please measure the entire length of the shaft from the base of the movement where the shaft comes out of the movement to the tip where the hands attach to (total hand shaft length) (3) Your movement's case dimensions (4) Minute hand length from the center mount hole to the tip
Answered by: Klockit
Date published: 2016-05-23

This will be replacing an ordinary movement on Howard Miller. Hour hand dia. is 3/16" the minute hand dia. is .140 or 9/64" and the second hand not an issue. The shaft length is 7/16". Would like to use my existing hands

Asked by: Mel36
Hi Mel, we cannot guarantee your original clock hands will accommodate our atomic movement (or our other quartz clock movements). We always recommend taking advantage of the free pair of hands that comes with this clock movement and our other quartz clock movements. Please add the clock movement to your shopping cart and then follow the screen prompts to select your free pair. If you have any questions on this information, please contact us at 1-800-556-2548.
Answered by: Klockit
Date published: 2016-05-21

does it work in india 

Asked by: rksharma
Hi rksharma, this clock movement will work in India if you turn the DST (atomic) switch off. It will just operate like a standard clock movement and will not auto-update the time.
Answered by: Klockit
Date published: 2016-05-20

If the shaft you receive isn't long enough, do you have an extension to make it work?

Asked by: AnaB
We do not currently offer an extension for hand shafts. If your clock is made from wood, we recommend routing or sanding out the back portion where the would be inserted into to allow for more room for the hand shaft. If you have any questions on this information or are interested in more information on the routing, please contact us at 1-800-556-2548.
Answered by: Klockit
Date published: 2016-05-05

How do you measure shaft lenght?

Asked by: Lenl
1) 3/16 2) 1/4 3)H 2 1/6X2 1/4 W     4) MINUTE 15/16 HOUR
Answered by: PIPPO
Date published: 2016-05-03

What size hands can be used on this clockThank you The larger hands that I pick would not fit. Please help soon,  Thank you.

Asked by: wdunn19
Any of our standard clock hands up to 7" long can be used on this atomic clock movement. Please choose a pair from the first 5 categories on this page: Please contact us at 1-800-556-2548 or if you have any questions on this information.
Answered by: Klockit
Date published: 2016-04-28
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