Posts 2,205 Likes 7,267 smitty190373 ·Jun 13, 2021 Omega Speedmaster 24 tooth flat foot crown to be used with watches from 1960-1969. Ref A1 in Moonwatch Only. 24 Teeth Dia 6.75mm Height 3.8mm Tap .9 Appears unused. Very good condition with no dents or marks. Teeth are very sharp. £400 + shipping