The Unitas 285 watch movement features a pin-lever escapement, with a ratchet on the dial side and a crown mechanism with a rocker bar. It incorporates shock protection through elastical spiral-shaped balance spokes. Notably, the train and hand gear are independently driven by the barrel. Offering manual winding, sweep seconds, and a date function, the Unitas 285 movement belongs to the pin lever category. Its production period spans approximately the 1980s.