Detomaso DT2059-F Tasca Testa Di Morto XXL Pocket Watch With Manual Winding Trend Mehrfarbig Analog Display Japanese Quartz Skeleton pocket watch with manual winding skull on the dial and view of the clockwork mechanism high quality movement from miyota (caliber 8N33) casing dust and chain made from 316l stainless steel (surgical steel) Japanese-quartz Movement Case Diameter: 53mm Water Resistant To 165 Feet