Posts 6 Likes 0 johnscliffe ·Aug 16, 2020 Photos attached, I've had it lying around for years and never seen one similar any ideas or information very much appreciated ..many thanks --
Posts 1,521 Likes 4,781 michael e ·Aug 16, 2020 A back winder I believe. Usually found on Omega ladies cocktail type watches.
Posts 6 Likes 0 johnscliffe ·Aug 17, 2020 Thanks very much appreciated -- Its 5.5 mm Dia -- so perhaps a Ladies size