Oris Caliber 391-392-394 Parts List and Drawings
Technical documentation for Oris watch calibers 391, 392, and 394. Includes exploded views of watch movements, parts lists with numbered components (balance wheels, escapement wheels, jewels, springs, hands, dials), and detailed mechanical drawings. Documentation covers 7-jewel, 15-jewel, and 17-jewel variants. Text in French, English, and Spanish.