The Omega caliber 8804 is an in-house automatic movement found in the Seamaster 1948 70th Anniversary Limited Edition (only 1,948 in the world). The watch and calibre were announced in March 2018 at Baselworld. The 8804 is Swiss made with 35 jewels, and features an anti-magnetic hairspring, Co-Axial escapement and twin barrels for extended power reserve.
In Omega’s own words:
“Self-winding movement with Co-Axial escapement. Certified Master Chronometer, approved by METAS, resistant to magnetic fields reaching 15,000 gauss. Free sprung-balance with silicon balance spring. Automatic winding in both directions. Central hour and minute hand, small seconds hand at 6H. White rhodium plated finish with Geneva waves in arabesque.” –source
The Omega cal. 8804 is an in-house movement and not available for individual purchase, even for Swatch Group parts accounts. At the time of this post, the retail price of the limited edition watch with movement is $6,900 USD.