Omega Caliber 8804

Manufacturer	Omega
Caliber Number	8804
Base Caliber	8800
In-House?	Yes
Movement Type	Automatic, self-winding mechanical
Display	Analog
Jewels	35
Frequency/Beat Rate	25,200 vph, 3.5Hz
Lift Angle	Unconfirmed (use Co-Axial compatible timing machine)
Power Reserve	60 hours (two barrels)
Shock Protection	Nivashock
Escapement	Co-Axial
Balance Spring	Si14 Silicon
Anti-Magnetic?	Yes up to 15,000 gauss
COSC?	No
Chronometer?	Yes (Omega Master Chronometer spec)
Hacking Seconds?	Yes
Hand-Windable?	Yes
Rotor Type	Ball bearing
Functions	Central hours; central minutes; small seconds subdial at 6:00
Finishing	Rhodium plated finish with Geneva waves in arabesque
Country of Manufacture	Switzerland, Swiss made
Known Models	Omega Seamaster 1948 Co‑Axial Master Chronometer Small Seconds 38mm (ref: 511.12.38.20.02.001)

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

Replacement Prices:

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.

Examples of watches with this movement:

Additional Resources:

• Official Omega product sheet (pdf)
• More Omega watch calibers

Image credit: Omega SA – if you have better pics of the movement in your watch, please submit them here.