Radiomir Quaranta

Automatic mechanical, P.900 calibre, 12 ½ lignes, 4.2 mm thick, 23 jewels, 28,800 alternations/hour. Incabloc® anti-shock device. Power reserve 3 days, one barrel. 171 components, Hours , Minutes , Calendar aperture , Small seconds, Diameter 40mm, polished steel, Black sun-brushed with luminous Arabic numerals and hour markers. Date at 3 o'clock and small seconds at 9 o'clock, "5.0 bar (~50.0 metres)