EER Steam Powered Entropy Calibrator Wristwatch
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.