This sale is for a Omega Seamaster F300Hz Divers Electronic Watch .
High grade watch and cutting edge technology of its time. Based around Bullova's Accutron system of using a tuning fork that is vibrated by electro magnets and the vibrations are used as a power source for the watch mechanical parts. The movement is a Mosaba ESA 9162 which is also used by IWC, Omega, Eternal, Tasso, Zenith, Certina, Baume and Rado as well as others. Circa 1969 to 1976. 
A real classic and iconic 1970s Omega Seamaster . Hear the classic Accutron hum when you put the watch to your ear and see the fantastic sweep action second hand. Seriously collectible , heavy and chunky . In excellent condition and all original . These are getting harder to get in nice condition and going up in value .
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Condition - Great condition and a lot better than others i have seen . Full length ( 16 links ) bracelet and no seized screws . Minimal marks or scratches so please check all pictures to satisfy yourself as it is a used watch . New battery fitted prior to posting and keeping time well . Date wheel works as it should . No guarantee for waterproof .
Age / Circa - Made in Switzerland , Circa 1976 .
Movement - Swiss quartz Mosaba ESA 9164 tuning fork movement . 
Dial - Brushed silver dial furnished with chrome hands and quick set day/date window at 3 . Immaculate dial .
Crystal - Original mineral glass .
Case - Omega ref 198.0053 .  All stainless steel , heavy two part ( removable case that houses the movement ) case with screw back cover .
Case Size - 48mm top to bottom 38mm side to side ( without crown ) and 12mm depth
Bracelet - Omega ref 1225 212 . Original and FULL length bracelet with all 16 links . No stretching and nice tight links , stainless steel from solid links . Fits max 8" wrist .