Posts 882 Likes 2,409 jumpingsecond ·Sep 5, 2023 By measurement it looks like universal's 15 ligne movement. If someone has Sala's book on hand they can verify it.
Posts 6,821 Likes 10,639 Mark020 ·Sep 5, 2023·not the sharpest pencil in the ΩF drawer 16 3/4 I think based on the overview from this ad https://www.catawiki.com/en/l/48770441-universal-watch-crono-monopulsante-men-1901-1949