Hello Federico,

The previous owner of this watch had its original movement serviced by Jack at International Watch Works in 2007. I purchased it in 2012 and had it examined and tested by Omega boutique in Manhattan. Finally, in 2013 the watch received a full service and was pressure tested by Gian Carlo Martini in Parma. I am unsure about the replacement of the parts you are mentioning, as I purchased the watch with those components already on. However, I have confidence that this watch has been looked at very closely by many parties.

As per the caseback, I will leave up to the buyer the decision to either keep the immaculate newer caseback Ref.1650024 on the watch or put back the original Ref.165024, which is shown below and will be included in the sale at no additional cost.

Many thanks for making me a more informed Omega collectors!

Cheers,
Francesco

: Hi Francesco,

: that caseback, Ref.1650024, is an official Omega new spare part.
: Made by the Omega supplier MRPSA.

: As are the dial (with "Swiss Made"), the hands, the bezel
: and the insert. And I guess the case as well.

: Omega keeps suplying the market with new spare part for vintage
: SM300's.

: With these spare parts a handful of watchmakers around the world
: build and sell SM300.

: Only movements are vintage, NOS. If you try to check that movement
: number with the Omega Archive you dont get any certificate,
: though.

: I really do hope you havent changed a vintage caseback/dial with
: those, no matter how worn out they were.

: Regards,