Steel Vacheron Constantin Overseas Dual Time 47450-B01A-9227. Case diameter 42mm. Water resistant to 150 meters. Automatic VC Caliber 1222 SC movement, 28,800vph, 34 jewels, 40-hour power reserve, 153 parts. Black dial with luminous hour markers and numerals. Indication: hours, minutes, central second, hand-type calendar, second time zone with day/night indicator. Steel bracelet, polished and brushed finish with double folding clasp with safety lock.