Oris Caliber 635

Brand	Oris
Caliber Number	635
In-House?	No
Base Caliber	ETA 2836-2
Movement Type	Automatic, self-winding mechanical
Lignes	11.5”’
Diameter	26mm
Height
Jewel Count
Beat Rate
Lift Angle
Power Reserve
Rotor Style
Rotor Winding Direction
Hand-Windable?
Anti-Shock Device
Hand Count
Functions	Central hours; central minutes;
Hacking Seconds?	Yes
Country of Manufacture	Switzerland, Swiss made
Known Models	Oris TT1, Oris TT3, Oris Williams F1 Team Day, Oris Flight Timer Day Date, Oris TT3 Day Date (Add your watch to the comments below…)

Oris caliber 635 is a Swiss made automatic watch movement that is based on the ETA cal. 2836-2 – in fact, it is an ETA 2836-2 with a custom Oris rotor (either red style or silver), and the ETA markings can be seen under the balance wheel.  This caliber has 25 jewels and a beat rate of 28,800 vph (4 Hz). It is equipped with a day/date calendar complication.

Additional Resources:

• More Oris movements
• More ETA movements

Note: This caliber listing is still being updated. Bookmark this page and check back for more information. In the meantime, you are welcome to start discussions on it in the comments below…