Hi all
So after finding one o-ring on my Speedmaster 125 had morphed into black gunk (that shit gets everywhere if you’re not careful!) I decided I’d investigate further.
Upon removing the back cover to the movement I saw the screw-down cover gasket h…
Speedmaster 125 … am I missing something ?
Hey all
I have had a 125 for several years among other Speedies. It gets worn in rotation but today I picked it up and it just separated. I know this piece is designed to be taken out. The o-ring that runs around the movement “block” has basically per…