My ongoing obsession with Smiths watches continues with a recently purchased, tired, non running & grubby fleabay special. Cant find it in the reference book, but would suspect it was made between 1960-4, with a Calibre 400 15 jewel movement inside. Slightly larger than most of my Smiths, measuring 35mm with 17mm lugs:     Back off, balance removed:     Now the reason for the lack of movement:       The hairspring & the regulating pin are totally mullered. Luckily I hav