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The Physicist's Perpetual Motion Clock

This is the timepiece that expresses horologic certainty with mechanical fluidity powered by an epistemic impossibility. Expertly crafted with 16 hours of painstaking detail from rhodium- and 14k gold-plated brass, stainless steel, and anodized aluminum components, it supplants a clock’s hands with 27 balls that mark the hour, every 10th minute, and each minute. A complex network of gears are set into seeming perpetual motion by a brass drive wheel at the bottom that appears to rotate autonomously in defiance of the laws of physics. In fact, a magnetic stepper motor in the clock’s dark brushed aluminum base generates its smooth, slow rotation without contact. A 14k gold-plated brass wheel conveys each ball to the topmost level of a dual-rail track, where it is deposited onto the outer rail to represent a single minute of time. The process repeats until a 10th ball is redirected to the inner rail where it rolls down the spiraling track to the next level to mark a 10th minute—the 6th ball at this level drops to represent an increase in the hour. Includes glass cover. Limited edition of 99 clocks. Plugs into AC. 12" H x 9 3/4" W x 5 3/4" D. (12 lbs.)

Lifetime Guarantee

The Physicist's Perpetual Motion Clock comes with The Hammacher Schlemmer Lifetime Guarantee. If this product ever disappoints you, for any reason, you may return your Hammacher Schlemmer purchase for exchange, credit, or refund.

Should you have any questions, we are available seven days a week (8:00 am – 9:00 pm EST Mon-Fri and 8:00 am– 6:00 pm EST Sat-Sun). 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 12990

Special Shipping Charges

Shipping charges noted in parentheses apply in addition to our standard shipping & service.

We're sorry, but gift wrap is not available. Please call 1-800-395-7006 for Premium or Express delivery rates.

Special Shipping Charges

Oversized items scheduled for expedited delivery (Premium or Express) may incur additional shipping and services charges because of their unusual size. Please call 1-800-321-1484 for an estimate of S&S charges. International callers, please call 1-513-860-3397.

We're sorry, but gift wrap is not available for oversized items.

Special Shipping Charges

Shipped via truck and may require customer assistance upon delivery. You will be contacted to make an appointment for delivery.

We're sorry, but gift wrap and gift cards are not available.

Canada Duty Free

This product is Duty Free to Canada

GST still applies and will be charged upon processing. For complete shipping & service charges please call Customer Service at 1-800-321-1484 .

Price $9,500
We regret that this item is no longer available.

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The Physicist's Perpetual Motion Clock
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The Physicist's Perpetual Motion Clock
The Physicist's Perpetual Motion Clock
The Physicist's Perpetual Motion Clock