PACIFISTOR Unisex Luminous Dial Hand Wind Up Skeleton Mechanical Black Analog Pocket Watch with Fob Chain Movement (Caliber): Manual Hand-winding Semi-automatic Movement Case,Chain,Fob Chain material: Stainless steel Function:Glow in dark dial Size of case diameter (mm): 46 ; Thickness of case (mm): 16 1 Year Warranty and 30 days exchange, returns and refunds accepted.