Benrus Citation 6115-4069

[Omega63]

Hi, I got for Christmas in 1976 a Benrus Citation when I was 13 and I loved it. 
That watch is long gone and I got this one on eBay. It needs a battery but it did not have one. The Benrus movement looks to be an HS-19 7 jewel. The battery compartment looks pretty deep so I bet two cells stacked would be it. What battery would it take? Hopefully what ever battery it is is still made. 
Assuming I can get it running I bet the lubricants are all dried up after 40 + years. 

 

[watchweasol]

Hi Having the caliber number would be helpful. Just below the corner of the balance cock there is a makers mark and caliber number, can you post it please it may help members to determine the make and battery type,  Have a look at Ranfft ESA 9154 as I think its a ESA movement and the 9154 looks pretty close. Origional battery was a 343 mercury now replaced with the 344 silver oxide.

 

[Marc]

I think @watchweasolis close but I suspect more likely a 9157 or 9158.

I think you may be in need of a new +ve battery strap. It should have a finger that extends out to approximately the centre of the battery well.