Art Deco JUMP HOUR Wristwatch By Rado Cal. AS 340 Swiss 1920's Vintage-Jaeger the Omega Constellation Chronometer Electronic

the Omega Constellation Chronometer Electronic f300 Hz that uses a special tuning fork movement

Hamilton Electric Van HornThis is a very unique timepiece

The glass crystal is also free of any major blemishes It measures:36mm Lug to Lug29mm wide9

This is a very UNIQUE watch with an original Illinois movement dated from 1916

6106C Day / Date Hack Feature Japan Made Day: quickset by pushing the crown deeper

Art Deco JUMP HOUR Wristwatch By Rado Cal. AS 340 Swiss 1920's Vintage-Jaeger the Omega Constellation Chronometer ElectronicJUMP HOUR WATCH "The early mechanical digital watches are the ancestors of the modern digital watch." As a modern digital watch, a vintage mechanical digital watch also displays the time using digits or numerically with the difference that a mechanical digital watch is powered by a mechanical movement and not electronically powered. The invention of the jump hour dated around 1830's by the French watchmaker Blondeau for the French King. But it was