Posts 3,968 Likes 8,984 blubarb ·Jan 27, 2025·IG: #blubarb19 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 1,844 Likes 7,419 JimJupiter ·Jan 27, 2025 If the Tap for the stem is 0,9mm, than its SM 300, Bingo.
Posts 357 Likes 531 Tag0935 ·Jan 27, 2025 Looks like the Seamaster 300 https://omegaforums.net/threads/wou...a-speedmaster-321-crown-a1.99931/post-1303897
Posts 3,968 Likes 8,984 blubarb ·Jan 27, 2025·IG: #blubarb19 Thanks, guys. The confirmation is very helpful.