Architectural Clock Systems

Clock Movements

Our clock movements are that magic that help our clocks owrk and to keep such accurate time. Here you will find examples of our clock movement products.

2MR

2MR Series

The National Time 2M / 2MR series clock mechanisms are economical yet employ worm/worm gear drive technology similar to its bigger cousins providing smooth and continuous advancement of the hands. For dial sizes up to 42” diameter.

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3MR

3MR Series

The National Time 3MR series clock mechanisms employ worm/worm gear drive technology to provide smooth and continuous advancement of the hands. This stronger mechanism offers mounting options to suit all applications including through wall extension shafts and back-to-back dials. For dial sizes up to 48" diameter.

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HMR

HMR Series

National’s HMR series is the smallest mechanism to utilize our exclusive low-to-no maintenance design. Combining a cast aluminum housing, oil reservoir and a worm drive output shaft creates the industry’s strongest, longest lasting mechanism. Ideal mechanism for a billboard clock or advertising clock display. For dial sizes up to 72” diameter.

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4MR

4MR Series

The National 4MR series clock mechanism also utilizes the low-to-no maintenance aluminum cast housing and worm drive. Through wall extension shafts up to 24” as well as back-to-back models are available. Perfect for tower clocks. For dial sizes up to 11 feet in diameter.

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6MR to 11MR Series

6MR to 11MR Series

National’s 6MR to 11MR series of clock mechanisms are built to last. Survival of hurricane Katrina is a testament to its cast housing’s durability and design. Enhance your clock installation with neon lighted hands on the 6MR series. For dial sizes up to 22 feet in diameter.

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12MR to 15MR Series

12MR to 15MR Series

The 12MR to 15MR series of clock mechanisms have survived the destructive forces of a downtown Atlanta tornado in 2008. Build your next stadium clock up to 50 feet in diameter with these field proven units.


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