Service: Omega Constellation calibre 751

This great 1970s Omega Constellation was sent in by Jim for inspection and a service.

The watch has been serviced 20 years ago, and then spent the whole time in a drawer. Now Jim decided to get it out of the drawer and to wear it again. For this reason he first wanted the watch to be inspected and serviced.

First glance at the movement. (autowinder rotor removed) No scratches, the screw heads have been used before, but carefully enough. The amplitude isĀ  low, and the beat rate is Continue reading Service: Omega Constellation calibre 751

Service: Chronograph Kienzle First Flight with Dubois-Depraz module driven by an ETA 2824-2 movement

Christian from watchguy.co.uk gave me this Dubois Depraz module, driven by an ETA 2824-2 movement, for a service.
Some of you may know, that Christian actually is the hidden uk-watchmaking champion and could easily service the assambly by himself. He just had no time. So it is a great honor for me, to do the job. Thank you, Christian!

Although every thing looks good, the movement runs very slowly or stops completely. No chance to get any indication on the timegrapher.

First of all, I took dial and hands off, and seperated the module from the movement. That allows me to check, if the movement would be likley to move without the module docked on. As you might see on the picture below, the ETA 2824-2 is performing without module – but not very well. The urgent need of a service is out of the question. Continue reading Service: Chronograph Kienzle First Flight with Dubois-Depraz module driven by an ETA 2824-2 movement