The legendary bassist is halfway through the project and enjoying looking back on his five-decade-long career.
The restoration work to the bench includes re-painting the distinctive portraits of the four band members, and repairing any scratches or chips.
Four mighty strings and 50 mighty players: the best bassists are the ones who carve out signature sounds and play as many memorable licks as the guitarists.
The film follows the iconic outfit's journey from the band's early beginnings in Birmingham to heavy metal infamy and their eventual break-up.
The masters of British metal rock, they mutated from the blues to genre-defining sonic mayhem with key discs like their self-titled debut, Paranoid, Master Of Reality and the comeback classic 13.
The legendary frontman said it was "bittersweet" playing the band's final show in Birmingham without their original drummer.
The exhibition dedicated to the iconic metal outfit will run from June until September in the band’s home town.
The exhibition will run from 22 June until 29 September at the Birmingham Museum & Art Gallery.
The new bench will be placed on the renamed Black Sabbath Bridge on the city's Broad Street.
The exhibition features portraits from the Home Of Metal Black Sabbath fan archive and memorabilia sourced directly from the band members.
The DVD release of Black Sabbath's concert film The End documents the band's final show in Birmingham, closing a monumental chapter in rock history
Black Sabbath have shared a clip of them playing Children Of The Grave live from their upcoming concert film The End Of The End
Metal Hammer have announced that the recipients of their Golden God Award, at the 2017 Metal Hammer Golden God Awards on 12 June, will be Black Sabbath.
After nearly 50 years of making music history, the British metal legends Black Sabbath have announced the end of the band.
Of all genres of music, Heavy Metal is the black sheep of the family, quietly burning steady, strong & eternally bright, away from the mainstream glare.