This sale is for a Titus Tuning Fork Electronic Divers F300Hz Watch . Circa 1976 .
Titus Tuning Fork watches were actually made with end of stock Omega parts . The case is an Omega 198.0005 and the bracelet 1178/182 . The back cover and clasp are not marked as Omega but you can google the part numbers and see for yourself . Collectors have been aware for many years of these being Omega parts . 
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 Swiss watch from the tuning fork stable . Hear the classic Accutron hum when you put the watch to your ear and see the fantastic sweep action second hand. Seriously collectible. 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 - In very good used condition so please see all pictures . I have not timed precisely but guarantee within 10 seconds a day , new battery fitted prior to posting . No guarantee for waterproof .
Age / Circa - Made in Switzerland , Circa 1976 .
Movement - Swiss quartz Mosaba ESA 9162 tuning fork movement . 
Dial - Black divers dial with large lume dot hour markers and quick set date window at 3 . There is some patina to the hands . 
Crystal - Original mineral glass .
Case - All in stainless steel , Heavy two part ( removable case that houses the movement ) case with screw back cover . The crown is screw down and is actually marked with Omega symbol . The divers bezel is bi-directional .
Case Size - 45mm top to bottom 42mm side to side ( without crown ) and 12.9mm depth
Bracelet - Original bracelet minimal stretching , nice condition . The screws for the removable links are NOT seized like these often are . Stainless steel from solid links . Fits max 7 1/2" wrist .