Hamilton Electric Spectra Original Finish Silver Dial Watch MOVEMENT_Electronic My understanding is that the

My understanding is that the AF 42 on the back stood for the year of manufacture

BAND/BRACELET:  Brand new genuine Leather Brown Strap with matching Rose Gold Tone buckle

BRAND:  Hamilton Electric White Gold Filled Gemini

This example has a prototype Naugahyde dial

This example has a nice original champagne finish dial

Hamilton Electric Spectra Original Finish Silver Dial Watch MOVEMENT_Electronic My understanding is that theOffered is this FULLY SERVICED (ultrasonic wash, rinse, and lubrication) 14K Solid Gold Hamilton Electric Spectra watch. Pictured in Ren Rondeau's book "The Watch Of The Future" on pages 157 158, and 201, it was released in July of 1957 with an original price of $150. 00. It is signed on the dial, case, and movement. The crown is unsigned, but original (early crowns on the Spectra were not signed). It runs great and keeps time to well under 30 seconds