Hamilton K-454 Sputnik Automatic Watch BRAND_Oris BRAND: Hamilton Electric Prototype Dial

BRAND:  Hamilton Electric Prototype Dial Meteor

with some very light brassing on the case back

Pictured in René Rondeau's book "The Watch Of The Future" on page 156

CASE BACK:  Marked H246551

so this is a first year example

Hamilton K-454 Sputnik Automatic Watch BRAND_Oris BRAND: Hamilton Electric Prototype DialOffered is this great looking Fully Serviced Automatic Hamilton K 454 Sputnik that winds, sets, and runs great. It keeps excellent time. The automatic feature works well and keeps the watch wound when wearing. It was introduced in 1955 and was nicknamed Sputnik for it's resemblance to the Sputnik satellite, the first artificial Earth satellite, launched by the Soviet Union. BRAND: Hamilton K 454 GENDER: Mens CASE: 10K Gold Filled Case, Steel Back CASE