Hello and welcome. Looks a lovely car. Should you wish to have leather seats, there is a guy selling a set on here for £300.
Enjoy your car lovely day for it.
Hold in there buddy. I picked a set up from Alize for £100 and although standard with tyres, not as tidy as yours, however a rattle can and elbow grease could net me the extra £200 maybe
Answer to your question buddy, go for battery otherwise you will have to keep adjusting the time if not worn daily, as automatics wind with the wrist action.