Brand Name: Road warrior PAULAREIS, Water Resistance Depth: 3BarStyle: Luxury/ruMovement: Automatic Self-Wind Clasp Type: Folding Clasp with Safety Band Length: 22 cm, Case Material: Alloy Case Thickness: 15 mm Feature: Complete Calendar Feature: Luminous Hands Feature: Week Display Model Number: Daytona Style Dial Window Material Type: Hardlex Case Shape: ROUND Boxes & Cases Material: No package Band Width: 20 mm Dial Diameter: 40mmBand Material Type: Stainless Steel Please Note: This is an automatic movement watch. The watch winds with the energy created from the wearer's movements. It is NOT battery operated and requires MANUAL winding. When the watch is taken off, like when sleeping, the watch will need to be wound before being worn again. After about 5 turns of the crown, the watch will start and run off your movement once more. If you would like a battery-operated watch that does not require manual winding, please look at our selection of quartz watches! Return Policy: Please contact us about any returns. Once we have received your item, we will let you know the status of your refund. Any refund issued will subtract $10 for the shipping and restocking fee.