Complete Hamilton electric watch movement, also watch-case, strap and one spare battery, designed by Richard Arbib, made by the Hamilton Watch Company, Lancaster, Pennsylvania, United States, 1957.
- watch case: 10 mm x 190 mm x 33 mm, weight: 0.025kg, watch battery (in plastic mount): 6 mm x 28 mm x 28 mm, watch movement: 30 mm x 38 mm x 38 mm, weight: 0.025kg.