Restoration of a Vintage Omega Seamaster Cosmic Watch - Caliber 752

This time i´am restoring an Omega Seamaster Cosmic.
It´s powered by the famous Omega 752 automatic movement. A nice
and robust in-house-movement, red-golden colored and equipped
with a swan-neck fine adjustment. It beats at 19800bph and
the lift angle of the balance is at 49°.
The referencenumber of this Omega is 166.036 and after some
investigations, i believe it´s from 1967.

The movement works... at least for some seconds after shaking
or winding it up by hand. The crystal has many scratches and the case
has some bumps and marks. The crown is not original and the old
strap is not only ugly but also in a bad condition.

This watch has a monocoque-case, so i need to take out the
movement to the front after removing the crystal. I don´t have the
original Omega "Tool 107", but a common crystal-remover gets
the job done by ease as well.

Even with the dial and hands removed, the movement stops
after a few seconds. I need to disassemble the whole movement,
clean all the parts and re-assemble it with some fresh oil.
Lucky me, the movement is working great again. The amplitude
is at 230° - exactly what it should be and the accuracy
of +3 seconds per day is not bad for a watch more than 50 years old.

The acrylic glass is a genuine Omega. It has the Omega-Logo
engraved on the center. The scratches can be polished away and only
one or two small bumps are left. The case needs to be polished very
carefully, i don´t want to erase the sunburst-finish on the top.

Dial and hands are cleaned up and the watch can be assembled again.
Finally the watch gets an original crown and a new strap
that matches the color of the dial.

I hope you liked this restoration, if so, like, comment and subscribe ;)
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