calibre 11 ½ 2892-A2, blue screws, rotor with Côtes de Genève decoration and blue contours.
calibre base ETA 7750 13 ¼”
calibre 13 ¼ ETA 7750. Rhodium-plated rotor with gilt incisions and Côtes de Genève decoration. Fly-back column wheel device
Power reserve
—
42 hours
42 hours
42 hours
42 hours
Sources & record notes
Displayed specifications follow the most complete source record. Other source records are retained below; conflicting values are not silently combined. The Watch Pages.