The 329 may come in two sizes,one is high drain, the other low drain. That means there is a question of fit. However, Bulova documentqtion indicates that the places that sell Bulova watches can supply batteries. You might check the Bulova website for a retailer near you and give that a go. Alternatively, below is a link to 329 batteries.
Answers & Comments
This is a 1967 watch. The battery was a 329.
http://www.mybulova.com/forums/accutron-spaceview-1967
The 329 may come in two sizes,one is high drain, the other low drain. That means there is a question of fit. However, Bulova documentqtion indicates that the places that sell Bulova watches can supply batteries. You might check the Bulova website for a retailer near you and give that a go. Alternatively, below is a link to 329 batteries.
https://www.amazon.com/Renata-329-Button-watch-battery/dp/B001C17ZZY
Parts Manuals
https://www.batterybob.com/products/32-accucell-1-343-diy-replacement-kit/