Features High-Quality Materials 3ATM Water Resistance Shock Resistance Chronograph Luminous Hands Calendar Display Folding Clasp with Safety Precise Quartz Movement Adjustable Band Specifications Dial Diameter: 43mm Case Thickness: 12mm Band Width: 20mm Band Length: 20cm HOW TO ADJUST YOUR WATCH BAND 1. Place your watch band in the card slot of your watch adjustment tool. (Tool Included)2. Align the copper needle with the pinhole on the strap, slowly rotate the handle clockwise, and push the connecting needle out of the strap.3. Disassemble the band to your desired length and reconnect the band.4. Reinsert the strap connection needle into the band. To take advantage of this watch offer today follow these steps: Select the color you want to order Click the orange "add to cart" button Click the red "Check Out" Button Our Guarantee We want you to be 100% satisfied with your purchase. If you are not completely happy, please contact us at: hello@obsyss.com and our friendly support staff will find a solution!