COVID-19 Update: We are open for business and are taking orders and shipping as normal. We may experience some shipping delays due to carrier issues and disruption of our supply chains. Our showroom is closed until further notice.
Measuring the decay of time using Carnots second law of thermo dynamics. With 35mm diameter Quartz crystal movement and unique 'Galvanic Scale' watch face and magnetic-fastening hatch. The EER Steam-Powered Entropy Calibrator Wristwatch is available in one adjustable size. Pewter, made in England. Ships Separately, No Express Shipping available on this item. Cannot ship outside of the US.
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