VIGOROSO Men's Archaize Roman Num Skeleton Hand winding Steampunk Chain Mechanical Pocket Watch Mechanial Hand-Winding Movement, provide precise and accurate time keeping.100% Brand New and High Quality Daily water resistance,not for swimming,showering. Blue Roman numerals display, very easy to read time. The adjustable time knob is connected to the chain, just pull out the clock knob to adjust time A Great Collection; The Best Birthday Gift, Valentine's Day Gift, Wedding Gift, Anniversary Gift, Christmas Gift, New Year Gift.