Swiss made, manually wound, 32.80 mm/3.90mm, 265 components, 36 jewels, 21,600 vph (3Hz), 65-hour power reserve. Functions: Hours, minutes, small seconds, minute repeater.
Vacheron Constantin 1731
Swiss made, manually wound, 32.80 mm/3.90mm, 265 components, 36 jewels, 21,600 vph (3Hz), 65-hour power reserve. Functions: Hours, minutes, small seconds, minute repeater.