KS Half Hunter Skeleton Dial Vintage Pendant Steel Mechanical Fob Pocket Watch with Chain Present by Kronen & Sohne group, Heidelberg series. 17 Jewels Hand Winding mechanical movement. Case diameter: 4.7cm (1.9 inch) approx. Case thickness: 1.4cm approx (0.6inch), cover included. Chain Length: 34cm (13.4inch) approx. (hook included). Package Included: 1 x Genuine "Kronen & Sohne" pocket watch. 1 x Limited edition key style pendant. 1 x Gift Box. 1 x International Warranty Card A hand-wound mechanical watch is powered by winding the crown to wind up the mainspring within the movement. Therefore, it is necessary to wind them up regularly using the crown, usually once a day. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!