Replacing a crown on a cal 712 Constellation 167.0021
by Brendan O'Flaherty
I have an 18 carat solid yellow gold cal 712 Constellation 167.0021 and I need to replace the crown. I bought a genuine Omega crown from Ofrei I have removed the back of the watch. Do I need to replace the stem as well? How do I remove the stem from the movement so that I can screw off the old crown?