The watch is available in a number of layouts, which includes a silver dial with blue artificial and leather strap, a silver "flinqué" dial with black alligator strap, along with a silver "flinqué" dial having a stainless steel strap. The electro-mechanical motion is wound when in movement; having said that, https://www.jowissa.com/en-gb/products/plain-mat-leather-watch-strap-e3-1442-m