KS Half Hunter Series Men's Analog Quartz Steel Case Pocket Watch with Chain Precision Movement with the latest breakthrough "Kronen & Sohne" patented quartz Technology. Case diameter: 4.5cm (1. 8 inch) approx. Case thickness: 1.5cm approx (0. 6inch), cover included.Chain Length: 34cm (13.4inch) approx. (hook included). Please note this is a MECHANICAL WATCH which will stop working if you are not moving for a long time. Please wind up the watch before EVERY USAGE, and keep the watch away from magnets to ensure the watch keeps working. Please wind up the watch before every usage. Please keep the watch away from magnet to avoid making the watch stop working.For detail instructions of the watch, please access KS official website to download. The website address will show on the manual in your package. If any questions, please don't hesitate to contact us. Package Included: 1 Genuine "Kronen & Sohne" pocket watch, 1 Limited edition key style pendant, 1 Gift Box, 1 International Warranty Card 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!