VIGOROSO Men Classic Watch Stainless Steel Case Full Hunter Men Hand Winding Mechanical Pocket Watch PRECISE TIME KEEPING: Mechanial Hand-Winding Movement, provide precise and accurate time keeping. Fully winded, the power reserve of your watch can reach 36 hours. All Black Stainless Steel Case, Cool Design. The adjustable time knob is connected to the chain, just pull out the clock knob to adjust time Color: Black, as the Picture show. Roman numerals dial analog display, very easy to read time. A Great Collection; The Best Birthday Gift, Valentine's Day Gift, Wedding Gift, Anniversary Gift, Christmas Gift, New Year Gift.