Genuine Omega Speedmaster Professional Pre-1970 DON Bezel, Cal-321

Description

A genuine vintage Omega Speedmaster Professional pre -1970 bezel with insert. This bezel is in very good condition with minor signs of age. Fits pre-1970 Speedmaster professional models such as models housing caliber 321 among others. The bezel and the insert is a genuine Omega OEM part. This is an extremely rare bezel featuring the accent mark over the 'E' in Tachymeter, the "Dot over 90" and the dot to the right of the 70.
Due to the nature of this item, returns cannot be accepted. Please ensure that this bezel is the correct bezel for your application. Improper installation can lead to damage to the bezel or case frame so professional installation is strongly recommended.
These are the measurements. I used a Boley gauge;
Diameter-39.4mm
Width-2.7mm
Inside diameter shoulder-36.3mm
If you have any questions, feel free to ask, thanks for looking.