Hamilton Electric Nautilus 401 CASE MATERIAL_Other The case is marked "M0"

The case is marked "M0" dating the watch to the introductory year of the Accutron

14K Lancaster

and 36mm Lug to Lug

and lubrication) 14K Solid Gold Hamilton Electric Spectra watch

and Made In France

Hamilton Electric Nautilus 401 CASE MATERIAL_Other The case is marked "M0"Here's your chance to own a FULLY SERVICED (ultrasonic wash, rinse, and lubrication) Hamilton Electric Nautilus 401 watch. Pictured in Rene Rondeau's book "The Watch Of The Future" on page 180, it was released in June of 1964 with an original price of $125. 00. It is quadruple signed on the dial, case, movement, and crown. It runs great and keeps time to well under 30 seconds variation per day, and has a brand new battery just installed. The hack