Hamilton Electric Converta IV Watch Original Finish Gray Dial BRAND_Enicar but this one does not

but this one does not

and the movement was renamed the 505

CASE BACK:  With Locking Ring

BRAND:  Hamilton Electric Saturn

Hamilton Electric Converta IV Watch Original Finish Gray Dial BRAND_Enicar but this one does notOffered is this FULLY SERVICED (ultrasonic wash, rinse, and lubrication) Hamilton Electric Stainless Converta IV watch with RARE GRAY ORIGINAL FINISH DIAL. Pictured in Ren Rondeau's book "The Watch Of The Future" on page 178, it was released in August of 1958 with original price of $110 with metal band and $95 with leather strap. It is signed on the dial, case, movement, and crown. It runs great and keeps time to well under 30 seconds variation per