Interesting, when you talk about the price being preserved are you saying having the dial redone will not affect the price? And I agree these markings to the dial do not look natural to me they either. Sent from my iPhone using Tapatalk
Yes that's the complete balance. You should be able to find an old movement and the mainspring on ebay. I'll have a look for you, just give me a little time.
Here you go.
Here is a place for all parts
Give these a ring 01959 543 660
Walsh clock parts and tell them what you want. I think this is the mainspring you want, to be on the safe side mention the number its SKU CM3201 https://www.hswalsh.com/categories/loop-end-mainsprings