AMPM24 New Mechanical Analog Display Stainless Skeleton Men's Wrist Watch Dark Siliver PMW019 Sold by AMPM24 Store. Package includes: 1 x Mechanical watch and 1 x AMPM24 Gift Box Specification(1 cm=10 mm=0.394 inch)(approx):Diameter: 43mm Thickness: 13mm Length of watch band: 180mm Movement: Self-winding Mechanical, please wind up the watch before every usage. Please keep the watch away from magnet to avoid making the watch stop working. Color may not appear as exactly as in real life due to variations between the computer monitors and nacked eye color difference. For detail instructions of the watch, please access our website to download. The website address will show on the manual in your package. If any questions, please don't hesitate to contact us.