Oris Caliber 735

Brand	Oris
Caliber Number	735
In-House?	No
Base Caliber	Sellita SW200-1
Movement Type	Automatic, self-winding mechanical
Lignes	11.5”’
Diameter	25.6mm
Height	4.6mm
Frequency	28,800 bph, 4Hz
Jewel Count	26
Power Reserve	38 hours
Anti-Shock Device	Incabloc
Functions	Central hours; central minutes; central seconds; date and day indicator at 3:00
Hacking Seconds?	Yes
Quickset Calendar?	Yes
Country of Manufacture	Switzerland, Swiss made
Known Models	BC3, TT1 (Add your watch to the comments below…)

The Oris caliber 735 is essentially a Sellita SW200-1 with a custom Oris rotor with the recognizable red center (sticker?).

The Sellita logo and SW200-1 caliber number can be found engraved below the balance wheel. In addition, Oris also engraves “735 / 26 JEW” as well as “SWISS MADE / ORIS / HIGH MECH” printed on the rotor.

Additional Resources:

Must Read: Sellita SW200 Vs. ETA 2824 at WatchFlipr.com
~~Oris official caliber 735 page~~ (URL is no longer working at http://www.oris.ch/en/movements/735)