Both watches had a full service and are running like new, optically also in prime condition. I let them share the wrist time today, starting out with a
ROTARY from 1968, movement AS cal. 1901, f = 21,900 A/h (on the (left)
ROTARY from the early 1970s, movement FE (France Ébauches) cal. 140-1.C, f = 21,600 A/h (on the right)
Rotary is a brand of Moise Dreyfuss, Fabrique Enila, Fabrique de Montres Rotary, La Chaux-de-Fonds, Switzerland, founded 1865. The logo with the winged wheel was registered in 1926.