VIGOROSO Men's Vintage Black Steel Half Hunter Hand Winding Steampunk Mechanical Pocket Watch Black Steel Mechanical Half Hunter Pocket Watch Hollow flower case, elegant design. The adjustable time knob is connected to the chain, just pull out the clock knob to adjust time and pull in to wind up. High Quality Dial with Arabic Numerals, easy to read. Surprise Christmas, Valentine's Day, Father's day, Holiday gift.