Posts 3,788 Likes 8,623 blubarb ·Jan 27, 2025 Hi all Any thoughts on what reference this crown might be for? Found by a mate, in a box of old watch parts. 24 teeth and flat feet. At first I thought it might have been for a Speedy 105.012-65, but it's too small at 3.2mm I think?
Posts 1,631 Likes 6,866 JimJupiter ·Jan 27, 2025 If the Tap for the stem is 0,9mm, than its SM 300, Bingo.
Posts 219 Likes 210 Tag0935 ·Jan 27, 2025 Looks like the Seamaster 300 https://omegaforums.net/threads/wou...a-speedmaster-321-crown-a1.99931/post-1303897