Hamilton Electric Nautilus 402 Watch BRAND_Vulcain It is quadruple signed on

It is quadruple signed on the movement

and inside marked CB 444-1

With Two Counters To Measure Pulse

BRAND:  Hamilton Livingstone

BRAND:  Hamilton Electric Gator Bowl Watch

Hamilton Electric Nautilus 402 Watch BRAND_Vulcain It is quadruple signed onOffered is this FULLY SERVICED (ultrasonic wash, rinse, and lubrication) Hamilton Electric Nautilus 402 watch. Pictured in Ren Rondeau's book "The Watch Of The Future" on page 181, it was released in December of 1964 with an original price of $125. 00. It is 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 function works properly,