Posts 3,801 Likes 8,665 blubarb ·Jan 27, 2025·IG: #blubarb19 - Shazbot Nanu Nanu 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 1,632 Likes 6,870 JimJupiter ·Jan 27, 2025 If the Tap for the stem is 0,9mm, than its SM 300, Bingo.
Posts 243 Likes 239 Tag0935 ·Jan 27, 2025 Looks like the Seamaster 300 https://omegaforums.net/threads/wou...a-speedmaster-321-crown-a1.99931/post-1303897
Posts 3,801 Likes 8,665 blubarb ·Jan 27, 2025·IG: #blubarb19 - Shazbot Nanu Nanu Thanks, guys. The confirmation is very helpful.